87232556 has 6 divisors (see below), whose sum is σ = 152656980. Its totient is φ = 43616276.

The previous prime is 87232433. The next prime is 87232567. The reversal of 87232556 is 65523278.

It is a super-3 number, since 3×87232556³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10904066 + ... + 10904073.

It is an arithmetic number, because the mean of its divisors is an integer number (25442830).

Almost surely, 2^87232556 is an apocalyptic number.

It is an amenable number.

87232556 is a deficient number, since it is larger than the sum of its proper divisors (65424424).

87232556 is a wasteful number, since it uses less digits than its factorization.

87232556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21808143 (or 21808141 counting only the distinct ones).

The product of its digits is 100800, while the sum is 38.

The square root of 87232556 is about 9339.8370435463. The cubic root of 87232556 is about 443.4992257350.

The spelling of 87232556 in words is "eighty-seven million, two hundred thirty-two thousand, five hundred fifty-six".