87146912 has 12 divisors (see below), whose sum is σ = 171570546. Its totient is φ = 43573440.

The previous prime is 87146911. The next prime is 87146923. The reversal of 87146912 is 21964178.

It can be written as a sum of positive squares in only one way, i.e., 45104656 + 42042256 = 6716^2 + 6484^2 .

It is a super-2 number, since 2×87146912² = 15189168542271488, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (87146911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1361639 + ... + 1361702.

Almost surely, 2^87146912 is an apocalyptic number.

It is an amenable number.

87146912 is a deficient number, since it is larger than the sum of its proper divisors (84423634).

87146912 is a wasteful number, since it uses less digits than its factorization.

87146912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2723351 (or 2723343 counting only the distinct ones).

The product of its digits is 24192, while the sum is 38.

The square root of 87146912 is about 9335.2510410808. The cubic root of 87146912 is about 443.3540372615.

The spelling of 87146912 in words is "eighty-seven million, one hundred forty-six thousand, nine hundred twelve".