338722877 has 2 divisors, whose sum is σ = 338722878. Its totient is φ = 338722876.

The previous prime is 338722873. The next prime is 338722883. The reversal of 338722877 is 778227833.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 221087161 + 117635716 = 14869^2 + 10846^2 .

It is a cyclic number.

It is not a de Polignac number, because 338722877 - 2² = 338722873 is a prime.

It is a super-2 number, since 2×338722877² = 229466374806314258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (338722873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169361438 + 169361439.

It is an arithmetic number, because the mean of its divisors is an integer number (169361439).

Almost surely, 2^338722877 is an apocalyptic number.

It is an amenable number.

338722877 is a deficient number, since it is larger than the sum of its proper divisors (1).

338722877 is an equidigital number, since it uses as much as digits as its factorization.

338722877 is an evil number, because the sum of its binary digits is even.

The product of its digits is 790272, while the sum is 47.

The square root of 338722877 is about 18404.4254732388. The cubic root of 338722877 is about 697.0782140086.

The spelling of 338722877 in words is "three hundred thirty-eight million, seven hundred twenty-two thousand, eight hundred seventy-seven".