97139837973204 has 72 divisors (see below), whose sum is σ = 264437475192800. Its totient is φ = 29889039673152.

The previous prime is 97139837973179. The next prime is 97139837973209. The reversal of 97139837973204 is 40237973893179.

97139837973204 is a `hidden beast` number, since 9 + 7 + 139 + 83 + 7 + 97 + 320 + 4 = 666.

It is a super-2 number, since 2×97139837973204² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97139837973209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 144228759 + ... + 144900705.

Almost surely, 2^{97139837973204} is an apocalyptic number.

It is an amenable number.

97139837973204 is an abundant number, since it is smaller than the sum of its proper divisors (167297637219596).

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

97139837973204 is a wasteful number, since it uses less digits than its factorization.

97139837973204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980869 (or 980864 counting only the distinct ones).

The product of its (nonzero) digits is 432081216, while the sum is 72.

The spelling of 97139837973204 in words is "ninety-seven trillion, one hundred thirty-nine billion, eight hundred thirty-seven million, nine hundred seventy-three thousand, two hundred four".