87242976 has 36 divisors (see below), whose sum is σ = 248098032. Its totient is φ = 29080896.

The previous prime is 87242941. The next prime is 87242983. The reversal of 87242976 is 67924278.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×87242976² = 15222673722673152, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 151176 + ... + 151751.

It is an arithmetic number, because the mean of its divisors is an integer number (6891612).

Almost surely, 2^87242976 is an apocalyptic number.

It is an amenable number.

87242976 is an abundant number, since it is smaller than the sum of its proper divisors (160855056).

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

87242976 is a wasteful number, since it uses less digits than its factorization.

87242976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302943 (or 302932 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 87242976 is about 9340.3948524674. The cubic root of 87242976 is about 443.5168838134.

The spelling of 87242976 in words is "eighty-seven million, two hundred forty-two thousand, nine hundred seventy-six".