87633532 has 12 divisors (see below), whose sum is σ = 175267120. Its totient is φ = 37557216.

The previous prime is 87633509. The next prime is 87633547. The reversal of 87633532 is 23533678.

87633532 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 87633491 and 87633500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1564857 + ... + 1564912.

Almost surely, 2^87633532 is an apocalyptic number.

It is an amenable number.

87633532 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

87633532 is a wasteful number, since it uses less digits than its factorization.

87633532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3129780 (or 3129778 counting only the distinct ones).

The product of its digits is 90720, while the sum is 37.

The square root of 87633532 is about 9361.2783315101. The cubic root of 87633532 is about 444.1777215108.

The spelling of 87633532 in words is "eighty-seven million, six hundred thirty-three thousand, five hundred thirty-two".