97918273100 has 18 divisors (see below), whose sum is σ = 212482652844. Its totient is φ = 39167309200.

The previous prime is 97918273087. The next prime is 97918273109. The reversal of 97918273100 is 137281979.

It is a super-2 number, since 2×97918273100² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (97918273109) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 489591266 + ... + 489591465.

Almost surely, 2^97918273100 is an apocalyptic number.

It is an amenable number.

97918273100 is an abundant number, since it is smaller than the sum of its proper divisors (114564379744).

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

97918273100 is a wasteful number, since it uses less digits than its factorization.

97918273100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 979182745 (or 979182738 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 47.

The spelling of 97918273100 in words is "ninety-seven billion, nine hundred eighteen million, two hundred seventy-three thousand, one hundred".