869540168 has 32 divisors (see below), whose sum is σ = 1961371200. Its totient is φ = 353045952.

The previous prime is 869540167. The next prime is 869540201. The reversal of 869540168 is 861045968.

It is a super-2 number, since 2×869540168² = 1512200207530936448, which contains 22 as substring.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (869540167) 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, 407555 + ... + 409682.

It is an arithmetic number, because the mean of its divisors is an integer number (61292850).

Almost surely, 2^869540168 is an apocalyptic number.

It is an amenable number.

869540168 is an abundant number, since it is smaller than the sum of its proper divisors (1091831032).

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

869540168 is a wasteful number, since it uses less digits than its factorization.

869540168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 817269 (or 817265 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 47.

The square root of 869540168 is about 29487.9664948263. The cubic root of 869540168 is about 954.4720519680.

The spelling of 869540168 in words is "eight hundred sixty-nine million, five hundred forty thousand, one hundred sixty-eight".