97279099956 has 24 divisors (see below), whose sum is σ = 252205074240. Its totient is φ = 32426366616.

The previous prime is 97279099937. The next prime is 97279099987. The reversal of 97279099956 is 65999097279.

It is a congruent number.

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, 450366096 + ... + 450366311.

It is an arithmetic number, because the mean of its divisors is an integer number (10508544760).

Almost surely, 2^97279099956 is an apocalyptic number.

It is an amenable number.

97279099956 is an abundant number, since it is smaller than the sum of its proper divisors (154925974284).

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

97279099956 is a wasteful number, since it uses less digits than its factorization.

97279099956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900732420 (or 900732412 counting only the distinct ones).

The product of its (nonzero) digits is 173604060, while the sum is 72.

The spelling of 97279099956 in words is "ninety-seven billion, two hundred seventy-nine million, ninety-nine thousand, nine hundred fifty-six".