916879227199 has 12 divisors (see below), whose sum is σ = 1003069136496. Its totient is φ = 837624782592.

The previous prime is 916879227197. The next prime is 916879227217. The reversal of 916879227199 is 991722978619.

It is not a de Polignac number, because 916879227199 - 2¹ = 916879227197 is a prime.

It is a super-2 number, since 2×916879227199² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (916879227197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27949179 + ... + 27981964.

It is an arithmetic number, because the mean of its divisors is an integer number (83589094708).

Almost surely, 2^916879227199 is an apocalyptic number.

916879227199 is a deficient number, since it is larger than the sum of its proper divisors (86189909297).

916879227199 is a wasteful number, since it uses less digits than its factorization.

916879227199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55931266 (or 55931253 counting only the distinct ones).

The product of its digits is 61725888, while the sum is 70.

The spelling of 916879227199 in words is "nine hundred sixteen billion, eight hundred seventy-nine million, two hundred twenty-seven thousand, one hundred ninety-nine".