97620661532 has 48 divisors (see below), whose sum is σ = 177967873440. Its totient is φ = 46796859648.

The previous prime is 97620661511. The next prime is 97620661543. The reversal of 97620661532 is 23516602679.

97620661532 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41842238 + ... + 41844570.

It is an arithmetic number, because the mean of its divisors is an integer number (3707664030).

Almost surely, 2^97620661532 is an apocalyptic number.

It is an amenable number.

97620661532 is a deficient number, since it is larger than the sum of its proper divisors (80347211908).

97620661532 is a wasteful number, since it uses less digits than its factorization.

97620661532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4742 (or 4740 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 47.

The spelling of 97620661532 in words is "ninety-seven billion, six hundred twenty million, six hundred sixty-one thousand, five hundred thirty-two".