79198689024 has 648 divisors, whose sum is σ = 288842954400. Its totient is φ = 20852342784.

The previous prime is 79198689023. The next prime is 79198689047. The reversal of 79198689024 is 42098689197.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79198689023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 133555672 + ... + 133556264.

It is an arithmetic number, because the mean of its divisors is an integer number (445745300).

Almost surely, 2^79198689024 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 79198689024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144421477200).

79198689024 is an abundant number, since it is smaller than the sum of its proper divisors (209644265376).

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

79198689024 is a wasteful number, since it uses less digits than its factorization.

79198689024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662 (or 618 counting only the distinct ones).

The product of its (nonzero) digits is 15676416, while the sum is 63.

The spelling of 79198689024 in words is "seventy-nine billion, one hundred ninety-eight million, six hundred eighty-nine thousand, twenty-four".