87631063 has 12 divisors (see below), whose sum is σ = 97212528. Its totient is φ = 78911040.

The previous prime is 87631031. The next prime is 87631087. The reversal of 87631063 is 36013678.

It is not a de Polignac number, because 87631063 - 2⁵ = 87631031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87631003) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 606 + ... + 13252.

It is an arithmetic number, because the mean of its divisors is an integer number (8101044).

Almost surely, 2^87631063 is an apocalyptic number.

87631063 is a deficient number, since it is larger than the sum of its proper divisors (9581465).

87631063 is a wasteful number, since it uses less digits than its factorization.

87631063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12714 (or 12701 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 34.

The square root of 87631063 is about 9361.1464575660. The cubic root of 87631063 is about 444.1735500288.

The spelling of 87631063 in words is "eighty-seven million, six hundred thirty-one thousand, sixty-three".