87670698 has 16 divisors (see below), whose sum is σ = 179072640. Its totient is φ = 28601696.

The previous prime is 87670663. The next prime is 87670703. The reversal of 87670698 is 89607678.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 87670698.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155163 + ... + 155726.

It is an arithmetic number, because the mean of its divisors is an integer number (11192040).

Almost surely, 2^87670698 is an apocalyptic number.

87670698 is an abundant number, since it is smaller than the sum of its proper divisors (91401942).

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

87670698 is a wasteful number, since it uses less digits than its factorization.

87670698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310941.

The product of its (nonzero) digits is 1016064, while the sum is 51.

The square root of 87670698 is about 9363.2632132179. The cubic root of 87670698 is about 444.2405056057.

The spelling of 87670698 in words is "eighty-seven million, six hundred seventy thousand, six hundred ninety-eight".