2916879881 has 2 divisors, whose sum is σ = 2916879882. Its totient is φ = 2916879880.

The previous prime is 2916879809. The next prime is 2916879913. The reversal of 2916879881 is 1889786192.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2712847225 + 204032656 = 52085^2 + 14284^2 .

It is a cyclic number.

It is not a de Polignac number, because 2916879881 - 2¹⁰ = 2916878857 is a prime.

It is a super-2 number, since 2×2916879881² = 17016376480365148322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2916879881.

It is not a weakly prime, because it can be changed into another prime (2916879181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1458439940 + 1458439941.

It is an arithmetic number, because the mean of its divisors is an integer number (1458439941).

Almost surely, 2^2916879881 is an apocalyptic number.

It is an amenable number.

2916879881 is a deficient number, since it is larger than the sum of its proper divisors (1).

2916879881 is an equidigital number, since it uses as much as digits as its factorization.

2916879881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3483648, while the sum is 59.

The square root of 2916879881 is about 54008.1464318116. The cubic root of 2916879881 is about 1428.8046282081.

The spelling of 2916879881 in words is "two billion, nine hundred sixteen million, eight hundred seventy-nine thousand, eight hundred eighty-one".