79358972088 has 64 divisors (see below), whose sum is σ = 220517251200. Its totient is φ = 23594430080.

The previous prime is 79358972081. The next prime is 79358972089. The reversal of 79358972088 is 88027985397.

It is a happy number.

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 (79358972081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2821878 + ... + 2849861.

It is an arithmetic number, because the mean of its divisors is an integer number (3445582050).

Almost surely, 2^79358972088 is an apocalyptic number.

It is an amenable number.

79358972088 is an abundant number, since it is smaller than the sum of its proper divisors (141158279112).

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

79358972088 is a wasteful number, since it uses less digits than its factorization.

79358972088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5671812 (or 5671808 counting only the distinct ones).

The product of its (nonzero) digits is 60963840, while the sum is 66.

The spelling of 79358972088 in words is "seventy-nine billion, three hundred fifty-eight million, nine hundred seventy-two thousand, eighty-eight".