977532651532 has 6 divisors (see below), whose sum is σ = 1710682140188. Its totient is φ = 488766325764.

The previous prime is 977532651523. The next prime is 977532651533. The reversal of 977532651532 is 235156235779.

It is a super-2 number, since 2×977532651532² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (977532651533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122191581438 + ... + 122191581445.

Almost surely, 2^977532651532 is an apocalyptic number.

It is an amenable number.

977532651532 is a deficient number, since it is larger than the sum of its proper divisors (733149488656).

977532651532 is a wasteful number, since it uses less digits than its factorization.

977532651532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244383162887 (or 244383162885 counting only the distinct ones).

The product of its digits is 11907000, while the sum is 55.

The spelling of 977532651532 in words is "nine hundred seventy-seven billion, five hundred thirty-two million, six hundred fifty-one thousand, five hundred thirty-two".