196079877840 has 960 divisors, whose sum is σ = 819281848320. Its totient is φ = 38277550080.

The previous prime is 196079877839. The next prime is 196079877841. The reversal of 196079877840 is 48778970691.

It is a happy number.

196079877840 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (196079877839) and next prime (196079877841).

It is a Harshad number since it is a multiple of its sum of digits (66).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (196079877841) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 175540962 + ... + 175542078.

It is an arithmetic number, because the mean of its divisors is an integer number (853418592).

Almost surely, 2^196079877840 is an apocalyptic number.

196079877840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 196079877840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (409640924160).

196079877840 is an abundant number, since it is smaller than the sum of its proper divisors (623201970480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

196079877840 is a wasteful number, since it uses less digits than its factorization.

196079877840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1240 (or 1227 counting only the distinct ones).

The product of its (nonzero) digits is 42674688, while the sum is 66.

The spelling of 196079877840 in words is "one hundred ninety-six billion, seventy-nine million, eight hundred seventy-seven thousand, eight hundred forty".