916788972 has 48 divisors (see below), whose sum is σ = 2355091200. Its totient is φ = 275261760.

The previous prime is 916788967. The next prime is 916788973. The reversal of 916788972 is 279887619.

It is not an unprimeable number, because it can be changed into a prime (916788973) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17472 + ... + 46247.

It is an arithmetic number, because the mean of its divisors is an integer number (49064400).

Almost surely, 2^916788972 is an apocalyptic number.

It is an amenable number.

916788972 is an abundant number, since it is smaller than the sum of its proper divisors (1438302228).

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

916788972 is a wasteful number, since it uses less digits than its factorization.

916788972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63846 (or 63844 counting only the distinct ones).

The product of its digits is 3048192, while the sum is 57.

The square root of 916788972 is about 30278.5232797110. The cubic root of 916788972 is about 971.4559818802.

The spelling of 916788972 in words is "nine hundred sixteen million, seven hundred eighty-eight thousand, nine hundred seventy-two".