79569401156 has 24 divisors (see below), whose sum is σ = 164272313856. Its totient is φ = 33001133760.

The previous prime is 79569401147. The next prime is 79569401183. The reversal of 79569401156 is 65110496597.

It is a junction number, because it is equal to n+sod(n) for n = 79569401098 and 79569401107.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45834041 + ... + 45835776.

It is an arithmetic number, because the mean of its divisors is an integer number (6844679744).

Almost surely, 2^79569401156 is an apocalyptic number.

It is an amenable number.

79569401156 is an abundant number, since it is smaller than the sum of its proper divisors (84702912700).

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

79569401156 is a wasteful number, since it uses less digits than its factorization.

79569401156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91669859 (or 91669857 counting only the distinct ones).

The product of its (nonzero) digits is 2041200, while the sum is 53.

The spelling of 79569401156 in words is "seventy-nine billion, five hundred sixty-nine million, four hundred one thousand, one hundred fifty-six".