87630994 has 8 divisors (see below), whose sum is σ = 143396208. Its totient is φ = 39832260.

The previous prime is 87630929. The next prime is 87630997. The reversal of 87630994 is 49903678.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×87630994² = 15358382218856072, which contains 22 as substring.

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, 1991592 + ... + 1991635.

It is an arithmetic number, because the mean of its divisors is an integer number (17924526).

Almost surely, 2^87630994 is an apocalyptic number.

87630994 is a deficient number, since it is larger than the sum of its proper divisors (55765214).

87630994 is a wasteful number, since it uses less digits than its factorization.

87630994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3983240.

The product of its (nonzero) digits is 326592, while the sum is 46.

The square root of 87630994 is about 9361.1427721192. The cubic root of 87630994 is about 444.1734334492.

The spelling of 87630994 in words is "eighty-seven million, six hundred thirty thousand, nine hundred ninety-four".