869116554 has 40 divisors (see below), whose sum is σ = 1949157540. Its totient is φ = 289453824.

The previous prime is 869116513. The next prime is 869116579. The reversal of 869116554 is 455611968.

869116554 is a `hidden beast` number, since 8 + 6 + 91 + 1 + 6 + 554 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 852932025 + 16184529 = 29205^2 + 4023^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 333882 + ... + 336474.

Almost surely, 2^869116554 is an apocalyptic number.

869116554 is an abundant number, since it is smaller than the sum of its proper divisors (1080040986).

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

869116554 is a wasteful number, since it uses less digits than its factorization.

869116554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4676 (or 4667 counting only the distinct ones).

The product of its digits is 259200, while the sum is 45.

The square root of 869116554 is about 29480.7827915067. The cubic root of 869116554 is about 954.3170300321.

The spelling of 869116554 in words is "eight hundred sixty-nine million, one hundred sixteen thousand, five hundred fifty-four".