87630996 has 12 divisors (see below), whose sum is σ = 204472352. Its totient is φ = 29210328.

The previous prime is 87630929. The next prime is 87630997. The reversal of 87630996 is 69903678.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87630997) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3651280 + ... + 3651303.

Almost surely, 2^87630996 is an apocalyptic number.

It is an amenable number.

87630996 is an abundant number, since it is smaller than the sum of its proper divisors (116841356).

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

87630996 is a wasteful number, since it uses less digits than its factorization.

87630996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7302590 (or 7302588 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 48.

The square root of 87630996 is about 9361.1428789438. The cubic root of 87630996 is about 444.1734368283.

The spelling of 87630996 in words is "eighty-seven million, six hundred thirty thousand, nine hundred ninety-six".