2855978933 has 2 divisors, whose sum is σ = 2855978934. Its totient is φ = 2855978932.

The previous prime is 2855978893. The next prime is 2855978959. The reversal of 2855978933 is 3398795582.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2523354289 + 332624644 = 50233^2 + 18238^2 .

It is a cyclic number.

It is not a de Polignac number, because 2855978933 - 2¹⁶ = 2855913397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2855978033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1427989466 + 1427989467.

It is an arithmetic number, because the mean of its divisors is an integer number (1427989467).

Almost surely, 2^2855978933 is an apocalyptic number.

It is an amenable number.

2855978933 is a deficient number, since it is larger than the sum of its proper divisors (1).

2855978933 is an equidigital number, since it uses as much as digits as its factorization.

2855978933 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16329600, while the sum is 59.

The square root of 2855978933 is about 53441.3597600211. The cubic root of 2855978933 is about 1418.7907004101.

The spelling of 2855978933 in words is "two billion, eight hundred fifty-five million, nine hundred seventy-eight thousand, nine hundred thirty-three".