97630987 has 8 divisors (see below), whose sum is σ = 103311360. Its totient is φ = 92004840.

The previous prime is 97630979. The next prime is 97630999. The reversal of 97630987 is 78903679.

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

It is not a de Polignac number, because 97630987 - 2³ = 97630979 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 97630987.

It is not an unprimeable number, because it can be changed into a prime (97630937) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9823 + ... + 17080.

It is an arithmetic number, because the mean of its divisors is an integer number (12913920).

Almost surely, 2^97630987 is an apocalyptic number.

97630987 is a deficient number, since it is larger than the sum of its proper divisors (5680373).

97630987 is a wasteful number, since it uses less digits than its factorization.

97630987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27113.

The product of its (nonzero) digits is 571536, while the sum is 49.

The square root of 97630987 is about 9880.8393874205. The cubic root of 97630987 is about 460.4642241719.

The spelling of 97630987 in words is "ninety-seven million, six hundred thirty thousand, nine hundred eighty-seven".