869808698 has 16 divisors (see below), whose sum is σ = 1423807200. Its totient is φ = 395233200.

The previous prime is 869808697. The next prime is 869808701. The reversal of 869808698 is 896808968.

It is a happy number.

It is a super-2 number, since 2×869808698² = 1513134342232910408, which contains 22 as substring.

869808698 is a strobogrammatic number because it is the same when read upside-down.

It is a self number, because there is not a number n which added to its sum of digits gives 869808698.

It is not an unprimeable number, because it can be changed into a prime (869808697) 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, 91133 + ... + 100223.

It is an arithmetic number, because the mean of its divisors is an integer number (88987950).

Almost surely, 2^869808698 is an apocalyptic number.

869808698 is a deficient number, since it is larger than the sum of its proper divisors (553998502).

869808698 is a wasteful number, since it uses less digits than its factorization.

869808698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13453.

The product of its (nonzero) digits is 11943936, while the sum is 62.

The square root of 869808698 is about 29492.5193566097. The cubic root of 869808698 is about 954.5702946983.

The spelling of 869808698 in words is "eight hundred sixty-nine million, eight hundred eight thousand, six hundred ninety-eight".