87477532 has 6 divisors (see below), whose sum is σ = 153085688. Its totient is φ = 43738764.

The previous prime is 87477517. The next prime is 87477541. The reversal of 87477532 is 23577478.

It is a super-2 number, since 2×87477532² = 15304637209622048, 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 as a sum of consecutive naturals, namely, 10934688 + ... + 10934695.

Almost surely, 2^87477532 is an apocalyptic number.

It is an amenable number.

87477532 is a deficient number, since it is larger than the sum of its proper divisors (65608156).

87477532 is a wasteful number, since it uses less digits than its factorization.

87477532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21869387 (or 21869385 counting only the distinct ones).

The product of its digits is 329280, while the sum is 43.

The square root of 87477532 is about 9352.9424247132. The cubic root of 87477532 is about 443.9139987096.

The spelling of 87477532 in words is "eighty-seven million, four hundred seventy-seven thousand, five hundred thirty-two".