97765212 has 12 divisors (see below), whose sum is σ = 228118856. Its totient is φ = 32588400.

The previous prime is 97765189. The next prime is 97765229. The reversal of 97765212 is 21256779.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×97765212³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4073539 + ... + 4073562.

Almost surely, 2^97765212 is an apocalyptic number.

It is an amenable number.

97765212 is an abundant number, since it is smaller than the sum of its proper divisors (130353644).

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

97765212 is a wasteful number, since it uses less digits than its factorization.

97765212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8147108 (or 8147106 counting only the distinct ones).

The product of its digits is 52920, while the sum is 39.

The square root of 97765212 is about 9887.6292406218. The cubic root of 97765212 is about 460.6751459638.

The spelling of 97765212 in words is "ninety-seven million, seven hundred sixty-five thousand, two hundred twelve".