87983180 has 24 divisors (see below), whose sum is σ = 188253072. Its totient is φ = 34528832.

The previous prime is 87983173. The next prime is 87983183. The reversal of 87983180 is 8138978.

It is not an unprimeable number, because it can be changed into a prime (87983183) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40442 + ... + 42561.

It is an arithmetic number, because the mean of its divisors is an integer number (7843878).

Almost surely, 2^87983180 is an apocalyptic number.

It is an amenable number.

87983180 is an abundant number, since it is smaller than the sum of its proper divisors (100269892).

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

87983180 is a wasteful number, since it uses less digits than its factorization.

87983180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83065 (or 83063 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 44.

The square root of 87983180 is about 9379.9349677916. The cubic root of 87983180 is about 444.7676774103.

It can be divided in two parts, 87 and 983180, that multiplied together give a triangular number (85536660 = T₁₃₀₇₉).

The spelling of 87983180 in words is "eighty-seven million, nine hundred eighty-three thousand, one hundred eighty".