879116506 has 16 divisors (see below), whose sum is σ = 1372990248. Its totient is φ = 421804800.

The previous prime is 879116477. The next prime is 879116509. The reversal of 879116506 is 605611978.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 464790481 + 414326025 = 21559^2 + 20355^2 .

It is a super-2 number, since 2×879116506² = 1545691662243296072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (879116509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82875 + ... + 92878.

Almost surely, 2^879116506 is an apocalyptic number.

879116506 is a deficient number, since it is larger than the sum of its proper divisors (493873742).

879116506 is a wasteful number, since it uses less digits than its factorization.

879116506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175857.

The product of its (nonzero) digits is 90720, while the sum is 43.

The square root of 879116506 is about 29649.8989205697. The cubic root of 879116506 is about 957.9631677647.

The spelling of 879116506 in words is "eight hundred seventy-nine million, one hundred sixteen thousand, five hundred six".