87243592 has 48 divisors (see below), whose sum is σ = 182902860. Its totient is φ = 38873088.

The previous prime is 87243589. The next prime is 87243601. The reversal of 87243592 is 29534278.

It can be written as a sum of positive squares in 2 ways, for example, as 85266756 + 1976836 = 9234^2 + 1406^2 .

It is a super-2 number, since 2×87243592² = 15222888690124928, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 48208 + ... + 49984.

Almost surely, 2^87243592 is an apocalyptic number.

It is an amenable number.

87243592 is an abundant number, since it is smaller than the sum of its proper divisors (95659268).

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

87243592 is a wasteful number, since it uses less digits than its factorization.

87243592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1838 (or 1815 counting only the distinct ones).

The product of its digits is 120960, while the sum is 40.

The square root of 87243592 is about 9340.4278274606. The cubic root of 87243592 is about 443.5179276634.

The spelling of 87243592 in words is "eighty-seven million, two hundred forty-three thousand, five hundred ninety-two".