97791022132 has 6 divisors (see below), whose sum is σ = 171134288738. Its totient is φ = 48895511064.

The previous prime is 97791022117. The next prime is 97791022183. The reversal of 97791022132 is 23122019779.

It can be written as a sum of positive squares in only one way, i.e., 63103449616 + 34687572516 = 251204^2 + 186246^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12223877763 + ... + 12223877770.

Almost surely, 2^97791022132 is an apocalyptic number.

It is an amenable number.

97791022132 is a deficient number, since it is larger than the sum of its proper divisors (73343266606).

97791022132 is a wasteful number, since it uses less digits than its factorization.

97791022132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24447755537 (or 24447755535 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 43.

The spelling of 97791022132 in words is "ninety-seven billion, seven hundred ninety-one million, twenty-two thousand, one hundred thirty-two".