97665940252 has 24 divisors (see below), whose sum is σ = 171701684000. Its totient is φ = 48608833536.

The previous prime is 97665940243. The next prime is 97665940271. The reversal of 97665940252 is 25204956679.

It is a junction number, because it is equal to n+sod(n) for n = 97665940193 and 97665940202.

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, 696124 + ... + 824572.

Almost surely, 2^97665940252 is an apocalyptic number.

It is an amenable number.

97665940252 is a deficient number, since it is larger than the sum of its proper divisors (74035743748).

97665940252 is a wasteful number, since it uses less digits than its factorization.

97665940252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129325 (or 129323 counting only the distinct ones).

The product of its (nonzero) digits is 8164800, while the sum is 55.

The spelling of 97665940252 in words is "ninety-seven billion, six hundred sixty-five million, nine hundred forty thousand, two hundred fifty-two".