79259917902 has 32 divisors (see below), whose sum is σ = 172963572480. Its totient is φ = 24013595520.

The previous prime is 79259917859. The next prime is 79259917907. The reversal of 79259917902 is 20971995297.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79259917907) 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, 244599 + ... + 467277.

It is an arithmetic number, because the mean of its divisors is an integer number (5405111640).

Almost surely, 2^79259917902 is an apocalyptic number.

79259917902 is an abundant number, since it is smaller than the sum of its proper divisors (93703654578).

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

79259917902 is a wasteful number, since it uses less digits than its factorization.

79259917902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228088.

The product of its (nonzero) digits is 6429780, while the sum is 60.

The spelling of 79259917902 in words is "seventy-nine billion, two hundred fifty-nine million, nine hundred seventeen thousand, nine hundred two".