87423196 has 24 divisors (see below), whose sum is σ = 178569216. Its totient is φ = 36669360.

The previous prime is 87423169. The next prime is 87423209. The reversal of 87423196 is 69132478.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31900 + ... + 34531.

It is an arithmetic number, because the mean of its divisors is an integer number (7440384).

Almost surely, 2^87423196 is an apocalyptic number.

It is an amenable number.

87423196 is an abundant number, since it is smaller than the sum of its proper divisors (91146020).

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

87423196 is a wasteful number, since it uses less digits than its factorization.

87423196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66489 (or 66487 counting only the distinct ones).

The product of its digits is 72576, while the sum is 40.

The square root of 87423196 is about 9350.0372191773. The cubic root of 87423196 is about 443.8220684113.

The spelling of 87423196 in words is "eighty-seven million, four hundred twenty-three thousand, one hundred ninety-six".