87676880 has 20 divisors (see below), whose sum is σ = 203848932. Its totient is φ = 35070720.

The previous prime is 87676873. The next prime is 87676903. The reversal of 87676880 is 8867678.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 51724864 + 35952016 = 7192^2 + 5996^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 547901 + ... + 548060.

Almost surely, 2^87676880 is an apocalyptic number.

87676880 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

87676880 is an abundant number, since it is smaller than the sum of its proper divisors (116172052).

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

87676880 is a wasteful number, since it uses less digits than its factorization.

87676880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1095974 (or 1095968 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 50.

The square root of 87676880 is about 9363.5933273504. The cubic root of 87676880 is about 444.2509470657.

The spelling of 87676880 in words is "eighty-seven million, six hundred seventy-six thousand, eight hundred eighty".