2872920977 has 2 divisors, whose sum is σ = 2872920978. Its totient is φ = 2872920976.

The previous prime is 2872920943. The next prime is 2872920983. The reversal of 2872920977 is 7790292782.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2241454336 + 631466641 = 47344^2 + 25129^2 .

It is a cyclic number.

It is not a de Polignac number, because 2872920977 - 2¹⁰ = 2872919953 is a prime.

It is not a weakly prime, because it can be changed into another prime (2872920937) 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, 1436460488 + 1436460489.

It is an arithmetic number, because the mean of its divisors is an integer number (1436460489).

Almost surely, 2^2872920977 is an apocalyptic number.

It is an amenable number.

2872920977 is a deficient number, since it is larger than the sum of its proper divisors (1).

2872920977 is an equidigital number, since it uses as much as digits as its factorization.

2872920977 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1778112, while the sum is 53.

The square root of 2872920977 is about 53599.6359782415. The cubic root of 2872920977 is about 1421.5906556875.

The spelling of 2872920977 in words is "two billion, eight hundred seventy-two million, nine hundred twenty thousand, nine hundred seventy-seven".