791239680000 has 1680 divisors, whose sum is σ = 3576902224896. Its totient is φ = 163676160000.

The previous prime is 791239679999. The next prime is 791239680059. The reversal of 791239680000 is 86932197.

It is a tau number, because it is divible by the number of its divisors (1680).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 3548159889 + ... + 3548160111.

Almost surely, 2^791239680000 is an apocalyptic number.

791239680000 is a gapful number since it is divisible by the number (70) 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 791239680000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1788451112448).

791239680000 is an abundant number, since it is smaller than the sum of its proper divisors (2785662544896).

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

791239680000 is a wasteful number, since it uses less digits than its factorization.

791239680000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 293 (or 251 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The spelling of 791239680000 in words is "seven hundred ninety-one billion, two hundred thirty-nine million, six hundred eighty thousand".