2879923961 has 2 divisors, whose sum is σ = 2879923962. Its totient is φ = 2879923960.

The previous prime is 2879923931. The next prime is 2879923979. The reversal of 2879923961 is 1693299782.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2785833961 + 94090000 = 52781^2 + 9700^2 .

It is a cyclic number.

It is not a de Polignac number, because 2879923961 - 2¹⁰ = 2879922937 is a prime.

It is a super-2 number, since 2×2879923961² = 16587924042283859042, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2879923897 and 2879923906.

It is not a weakly prime, because it can be changed into another prime (2879923931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1439961980 + 1439961981.

It is an arithmetic number, because the mean of its divisors is an integer number (1439961981).

Almost surely, 2^2879923961 is an apocalyptic number.

It is an amenable number.

2879923961 is a deficient number, since it is larger than the sum of its proper divisors (1).

2879923961 is an equidigital number, since it uses as much as digits as its factorization.

2879923961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2939328, while the sum is 56.

The square root of 2879923961 is about 53664.9230037648. The cubic root of 2879923961 is about 1422.7448002687.

The spelling of 2879923961 in words is "two billion, eight hundred seventy-nine million, nine hundred twenty-three thousand, nine hundred sixty-one".