79034972961 has 32 divisors (see below), whose sum is σ = 129721123840. Its totient is φ = 41790821184.

The previous prime is 79034972957. The next prime is 79034972963. The reversal of 79034972961 is 16927943097.

It is not a de Polignac number, because 79034972961 - 2² = 79034972957 is a prime.

It is a super-2 number, since 2×79034972961² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is not an unprimeable number, because it can be changed into a prime (79034972963) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2286130 + ... + 2320443.

It is an arithmetic number, because the mean of its divisors is an integer number (4053785120).

Almost surely, 2^79034972961 is an apocalyptic number.

It is an amenable number.

79034972961 is a deficient number, since it is larger than the sum of its proper divisors (50686150879).

79034972961 is a wasteful number, since it uses less digits than its factorization.

79034972961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4606645.

The product of its (nonzero) digits is 5143824, while the sum is 57.

The spelling of 79034972961 in words is "seventy-nine billion, thirty-four million, nine hundred seventy-two thousand, nine hundred sixty-one".