87957392 has 20 divisors (see below), whose sum is σ = 171929100. Its totient is φ = 43588608.

The previous prime is 87957391. The next prime is 87957407. The reversal of 87957392 is 29375978.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 14409616 + 73547776 = 3796^2 + 8576^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 87957392.

It is not an unprimeable number, because it can be changed into a prime (87957391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22517 + ... + 26132.

It is an arithmetic number, because the mean of its divisors is an integer number (8596455).

Almost surely, 2^87957392 is an apocalyptic number.

It is an amenable number.

87957392 is a deficient number, since it is larger than the sum of its proper divisors (83971708).

87957392 is a wasteful number, since it uses less digits than its factorization.

87957392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48770 (or 48764 counting only the distinct ones).

The product of its digits is 952560, while the sum is 50.

The square root of 87957392 is about 9378.5602306537. The cubic root of 87957392 is about 444.7242191431.

The spelling of 87957392 in words is "eighty-seven million, nine hundred fifty-seven thousand, three hundred ninety-two".