87676812 has 36 divisors (see below), whose sum is σ = 222793480. Its totient is φ = 29071872.

The previous prime is 87676789. The next prime is 87676817. The reversal of 87676812 is 21867678.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (87676817) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 639 + ... + 13257.

Almost surely, 2^87676812 is an apocalyptic number.

It is an amenable number.

87676812 is an abundant number, since it is smaller than the sum of its proper divisors (135116668).

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

87676812 is a wasteful number, since it uses less digits than its factorization.

87676812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12822 (or 12817 counting only the distinct ones).

The product of its digits is 225792, while the sum is 45.

The square root of 87676812 is about 9363.5896962650. The cubic root of 87676812 is about 444.2508322157.

It can be divided in two parts, 87676 and 812, that added together give a palindrome (88488).

The spelling of 87676812 in words is "eighty-seven million, six hundred seventy-six thousand, eight hundred twelve".