97670645292 has 384 divisors, whose sum is σ = 278225031168. Its totient is φ = 26331136000.

The previous prime is 97670645291. The next prime is 97670645441. The reversal of 97670645292 is 29254607679.

It is not an unprimeable number, because it can be changed into a prime (97670645291) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 564570118 + ... + 564570290.

It is an arithmetic number, because the mean of its divisors is an integer number (724544352).

Almost surely, 2^97670645292 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 97670645292, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139112515584).

97670645292 is an abundant number, since it is smaller than the sum of its proper divisors (180554385876).

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

97670645292 is a wasteful number, since it uses less digits than its factorization.

97670645292 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409 (or 407 counting only the distinct ones).

The product of its (nonzero) digits is 11430720, while the sum is 57.

The spelling of 97670645292 in words is "ninety-seven billion, six hundred seventy million, six hundred forty-five thousand, two hundred ninety-two".