869616980618 has 8 divisors (see below), whose sum is σ = 1311046920612. Its totient is φ = 432601340416.

The previous prime is 869616980593. The next prime is 869616980623. The reversal of 869616980618 is 816089616968.

It can be written as a sum of positive squares in 2 ways, for example, as 678015555889 + 191601424729 = 823417^2 + 437723^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1103574455 + ... + 1103575242.

Almost surely, 2^869616980618 is an apocalyptic number.

869616980618 is a deficient number, since it is larger than the sum of its proper divisors (441429939994).

869616980618 is a wasteful number, since it uses less digits than its factorization.

869616980618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2207149896.

The product of its (nonzero) digits is 53747712, while the sum is 68.

The spelling of 869616980618 in words is "eight hundred sixty-nine billion, six hundred sixteen million, nine hundred eighty thousand, six hundred eighteen".