97402665011912 has 108 divisors (see below), whose sum is σ = 199295280218385. Its totient is φ = 44608545109440.

The previous prime is 97402665011851. The next prime is 97402665012011. The reversal of 97402665011912 is 21911056620479.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 83282160320836 + 14120504691076 = 9125906^2 + 3757726^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=6978634.

It is a super-2 number, since 2×97402665011912² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 50441565587 + ... + 50441567517.

Almost surely, 2^{97402665011912} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97402665011912

97402665011912 is an abundant number, since it is smaller than the sum of its proper divisors (101892615206473).

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

97402665011912 is an equidigital number, since it uses as much as digits as its factorization.

97402665011912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4172 (or 2085 counting only the distinct ones).

The product of its (nonzero) digits is 1632960, while the sum is 53.

The spelling of 97402665011912 in words is "ninety-seven trillion, four hundred two billion, six hundred sixty-five million, eleven thousand, nine hundred twelve".