87973950 has 24 divisors (see below), whose sum is σ = 218175768. Its totient is φ = 23459680.

The previous prime is 87973913. The next prime is 87973973. The reversal of 87973950 is 5937978.

87973950 = 888² + 889² + ... + 987².

It is a self number, because there is not a number n which added to its sum of digits gives 87973950.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 293097 + ... + 293396.

It is an arithmetic number, because the mean of its divisors is an integer number (9090657).

Almost surely, 2^87973950 is an apocalyptic number.

87973950 is an abundant number, since it is smaller than the sum of its proper divisors (130201818).

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

87973950 is a wasteful number, since it uses less digits than its factorization.

87973950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 586508 (or 586503 counting only the distinct ones).

The product of its (nonzero) digits is 476280, while the sum is 48.

The square root of 87973950 is about 9379.4429472117. The cubic root of 87973950 is about 444.7521238722.

The spelling of 87973950 in words is "eighty-seven million, nine hundred seventy-three thousand, nine hundred fifty".