2855363977 has 2 divisors, whose sum is σ = 2855363978. Its totient is φ = 2855363976.

The previous prime is 2855363939. The next prime is 2855363999. The reversal of 2855363977 is 7793635582.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1571646736 + 1283717241 = 39644^2 + 35829^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2855363977 is a prime.

It is a super-2 number, since 2×2855363977² = 16306206882298513058, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2855364977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1427681988 + 1427681989.

It is an arithmetic number, because the mean of its divisors is an integer number (1427681989).

Almost surely, 2^2855363977 is an apocalyptic number.

It is an amenable number.

2855363977 is a deficient number, since it is larger than the sum of its proper divisors (1).

2855363977 is an equidigital number, since it uses as much as digits as its factorization.

2855363977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9525600, while the sum is 55.

The square root of 2855363977 is about 53435.6058915776. The cubic root of 2855363977 is about 1418.6888606669.

The spelling of 2855363977 in words is "two billion, eight hundred fifty-five million, three hundred sixty-three thousand, nine hundred seventy-seven".