87630208 has 32 divisors (see below), whose sum is σ = 179303760. Its totient is φ = 42628608.

The previous prime is 87630181. The next prime is 87630229. The reversal of 87630208 is 80203678.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (32).

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, 4516 + ... + 13987.

Almost surely, 2^87630208 is an apocalyptic number.

It is an amenable number.

87630208 is an abundant number, since it is smaller than the sum of its proper divisors (91673552).

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

87630208 is a wasteful number, since it uses less digits than its factorization.

87630208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18554 (or 18542 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 87630208 is about 9361.1007899712. The cubic root of 87630208 is about 444.1721054512.

The spelling of 87630208 in words is "eighty-seven million, six hundred thirty thousand, two hundred eight".