97994075902 has 16 divisors (see below), whose sum is σ = 156507143760. Its totient is φ = 45857231488.

The previous prime is 97994075891. The next prime is 97994075923. The reversal of 97994075902 is 20957049979.

It is a super-2 number, since 2×97994075902² (a number of 23 digits) contains 22 as substring.

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, 8044693 + ... + 8056864.

It is an arithmetic number, because the mean of its divisors is an integer number (9781696485).

Almost surely, 2^97994075902 is an apocalyptic number.

97994075902 is a deficient number, since it is larger than the sum of its proper divisors (58513067858).

97994075902 is a wasteful number, since it uses less digits than its factorization.

97994075902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16101755.

The product of its (nonzero) digits is 12859560, while the sum is 61.

The spelling of 97994075902 in words is "ninety-seven billion, nine hundred ninety-four million, seventy-five thousand, nine hundred two".