889772315 has 4 divisors (see below), whose sum is σ = 1067726784. Its totient is φ = 711817848.

The previous prime is 889772311. The next prime is 889772357. The reversal of 889772315 is 513277988.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 889772315 - 2² = 889772311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (889772311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88977227 + ... + 88977236.

It is an arithmetic number, because the mean of its divisors is an integer number (266931696).

Almost surely, 2^889772315 is an apocalyptic number.

889772315 is a deficient number, since it is larger than the sum of its proper divisors (177954469).

889772315 is a wasteful number, since it uses less digits than its factorization.

889772315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177954468.

The product of its digits is 846720, while the sum is 50.

The square root of 889772315 is about 29829.0515269929. The cubic root of 889772315 is about 961.8181383046.

The spelling of 889772315 in words is "eight hundred eighty-nine million, seven hundred seventy-two thousand, three hundred fifteen".