87153912 has 48 divisors (see below), whose sum is σ = 248469000. Its totient is φ = 27521856.

The previous prime is 87153887. The next prime is 87153943. The reversal of 87153912 is 21935178.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 30487 + ... + 33222.

Almost surely, 2^87153912 is an apocalyptic number.

It is an amenable number.

87153912 is an abundant number, since it is smaller than the sum of its proper divisors (161315088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87153912 is a wasteful number, since it uses less digits than its factorization.

87153912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63740 (or 63733 counting only the distinct ones).

The product of its digits is 15120, while the sum is 36.

The square root of 87153912 is about 9335.6259565173. The cubic root of 87153912 is about 443.3659076196.

The spelling of 87153912 in words is "eighty-seven million, one hundred fifty-three thousand, nine hundred twelve".