87367980 has 72 divisors (see below), whose sum is σ = 284579568. Its totient is φ = 19969152.

The previous prime is 87367963. The next prime is 87367993. The reversal of 87367980 is 8976378.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11919 + ... + 17798.

It is an arithmetic number, because the mean of its divisors is an integer number (3952494).

Almost surely, 2^87367980 is an apocalyptic number.

It is an amenable number.

87367980 is an abundant number, since it is smaller than the sum of its proper divisors (197211588).

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

87367980 is a wasteful number, since it uses less digits than its factorization.

87367980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29743 (or 29734 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 48.

The square root of 87367980 is about 9347.0840372814. The cubic root of 87367980 is about 443.7286102234.

The spelling of 87367980 in words is "eighty-seven million, three hundred sixty-seven thousand, nine hundred eighty".