87766672 has 40 divisors (see below), whose sum is σ = 198487296. Its totient is φ = 36811776.

The previous prime is 87766669. The next prime is 87766687. The reversal of 87766672 is 27666778.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

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 7 ways as a sum of consecutive naturals, for example, 3073 + ... + 13600.

Almost surely, 2^87766672 is an apocalyptic number.

It is an amenable number.

87766672 is an abundant number, since it is smaller than the sum of its proper divisors (110720624).

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

87766672 is a wasteful number, since it uses less digits than its factorization.

87766672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16735 (or 16729 counting only the distinct ones).

The product of its digits is 1185408, while the sum is 49.

The square root of 87766672 is about 9368.3868408601. The cubic root of 87766672 is about 444.4025513476.

The spelling of 87766672 in words is "eighty-seven million, seven hundred sixty-six thousand, six hundred seventy-two".