916634879 has 4 divisors (see below), whose sum is σ = 964878840. Its totient is φ = 868390920.

The previous prime is 916634857. The next prime is 916634891. The reversal of 916634879 is 978436619.

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 916634879 - 2⁸ = 916634623 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 916634879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (916631879) 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, 24121952 + ... + 24121989.

It is an arithmetic number, because the mean of its divisors is an integer number (241219710).

Almost surely, 2^916634879 is an apocalyptic number.

916634879 is a deficient number, since it is larger than the sum of its proper divisors (48243961).

916634879 is a wasteful number, since it uses less digits than its factorization.

916634879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48243960.

The product of its digits is 1959552, while the sum is 53.

The square root of 916634879 is about 30275.9785803861. The cubic root of 916634879 is about 971.4015517046.

The spelling of 916634879 in words is "nine hundred sixteen million, six hundred thirty-four thousand, eight hundred seventy-nine".