87180152 has 16 divisors (see below), whose sum is σ = 164547600. Its totient is φ = 43300800.

The previous prime is 87180139. The next prime is 87180161. The reversal of 87180152 is 25108178.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34877 + ... + 37292.

It is an arithmetic number, because the mean of its divisors is an integer number (10284225).

Almost surely, 2^87180152 is an apocalyptic number.

It is an amenable number.

87180152 is a deficient number, since it is larger than the sum of its proper divisors (77367448).

87180152 is a wasteful number, since it uses less digits than its factorization.

87180152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72326 (or 72322 counting only the distinct ones).

The product of its (nonzero) digits is 4480, while the sum is 32.

The square root of 87180152 is about 9337.0312198257. The cubic root of 87180152 is about 443.4103988489.

The spelling of 87180152 in words is "eighty-seven million, one hundred eighty thousand, one hundred fifty-two".