87150772 has 48 divisors (see below), whose sum is σ = 170456832. Its totient is φ = 38776320.

The previous prime is 87150757. The next prime is 87150793. The reversal of 87150772 is 27705178.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160822 + ... + 161362.

It is an arithmetic number, because the mean of its divisors is an integer number (3551184).

Almost surely, 2^87150772 is an apocalyptic number.

It is an amenable number.

87150772 is a deficient number, since it is larger than the sum of its proper divisors (83306060).

87150772 is a wasteful number, since it uses less digits than its factorization.

87150772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688 (or 686 counting only the distinct ones).

The product of its (nonzero) digits is 27440, while the sum is 37.

The square root of 87150772 is about 9335.4577820265. The cubic root of 87150772 is about 443.3605829947.

The spelling of 87150772 in words is "eighty-seven million, one hundred fifty thousand, seven hundred seventy-two".