97871632 has 10 divisors (see below), whose sum is σ = 189626318. Its totient is φ = 48935808.

The previous prime is 97871629. The next prime is 97871659. The reversal of 97871632 is 23617879.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 60466176 + 37405456 = 7776^2 + 6116^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3058473 + ... + 3058504.

Almost surely, 2^97871632 is an apocalyptic number.

It is an amenable number.

97871632 is a deficient number, since it is larger than the sum of its proper divisors (91754686).

97871632 is a wasteful number, since it uses less digits than its factorization.

97871632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6116985 (or 6116979 counting only the distinct ones).

The product of its digits is 127008, while the sum is 43.

The square root of 97871632 is about 9893.0092489596. The cubic root of 97871632 is about 460.8422376808.

The spelling of 97871632 in words is "ninety-seven million, eight hundred seventy-one thousand, six hundred thirty-two".