87307612 has 18 divisors (see below), whose sum is σ = 177733752. Its totient is φ = 37417464.

The previous prime is 87307607. The next prime is 87307637. The reversal of 87307612 is 21670378.

It is a super-2 number, since 2×87307612² = 15245238226285088, which contains 22 as substring.

It is a congruent number.

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 in 5 ways as a sum of consecutive naturals, for example, 222528 + ... + 222919.

Almost surely, 2^87307612 is an apocalyptic number.

It is an amenable number.

87307612 is an abundant number, since it is smaller than the sum of its proper divisors (90426140).

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

87307612 is a wasteful number, since it uses less digits than its factorization.

87307612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445465 (or 445456 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 87307612 is about 9343.8542368768. The cubic root of 87307612 is about 443.6263867287.

The spelling of 87307612 in words is "eighty-seven million, three hundred seven thousand, six hundred twelve".