87866432 has 14 divisors (see below), whose sum is σ = 174360078. Its totient is φ = 43933184.

The previous prime is 87866423. The next prime is 87866461. The reversal of 87866432 is 23466878.

It can be written as a sum of positive squares in only one way, i.e., 73547776 + 14318656 = 8576^2 + 3784^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 686393 + ... + 686520.

Almost surely, 2^87866432 is an apocalyptic number.

It is an amenable number.

87866432 is a deficient number, since it is larger than the sum of its proper divisors (86493646).

87866432 is a wasteful number, since it uses less digits than its factorization.

87866432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1372925 (or 1372915 counting only the distinct ones).

The product of its digits is 387072, while the sum is 44.

The square root of 87866432 is about 9373.7096178621. The cubic root of 87866432 is about 444.5708643334.

The spelling of 87866432 in words is "eighty-seven million, eight hundred sixty-six thousand, four hundred thirty-two".