87676764 has 96 divisors (see below), whose sum is σ = 241984512. Its totient is φ = 24192000.

The previous prime is 87676753. The next prime is 87676781. The reversal of 87676764 is 46767678.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 363684 + ... + 363924.

It is an arithmetic number, because the mean of its divisors is an integer number (2520672).

Almost surely, 2^87676764 is an apocalyptic number.

87676764 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87676764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120992256).

87676764 is an abundant number, since it is smaller than the sum of its proper divisors (154307748).

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

87676764 is a wasteful number, since it uses less digits than its factorization.

87676764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387 (or 385 counting only the distinct ones).

The product of its digits is 2370816, while the sum is 51.

The square root of 87676764 is about 9363.5871331451. The cubic root of 87676764 is about 444.2507511451.

The spelling of 87676764 in words is "eighty-seven million, six hundred seventy-six thousand, seven hundred sixty-four".