87382980 has 72 divisors (see below), whose sum is σ = 276599232. Its totient is φ = 22287936.

The previous prime is 87382979. The next prime is 87382991. The reversal of 87382980 is 8928378.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6414 + ... + 14693.

It is an arithmetic number, because the mean of its divisors is an integer number (3841656).

Almost surely, 2^87382980 is an apocalyptic number.

It is an amenable number.

87382980 is an abundant number, since it is smaller than the sum of its proper divisors (189216252).

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

87382980 is a wasteful number, since it uses less digits than its factorization.

87382980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21145 (or 21140 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 45.

The square root of 87382980 is about 9347.8863921209. The cubic root of 87382980 is about 443.7540030056.

The spelling of 87382980 in words is "eighty-seven million, three hundred eighty-two thousand, nine hundred eighty".