5157767939 has 2 divisors, whose sum is σ = 5157767940. Its totient is φ = 5157767938.

The previous prime is 5157767903. The next prime is 5157767971. The reversal of 5157767939 is 9397677515.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5157767939 is a prime.

It is a super-2 number, since 2×5157767939² = 53205140225152615442, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5157760939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2578883969 + 2578883970.

It is an arithmetic number, because the mean of its divisors is an integer number (2578883970).

Almost surely, 2^5157767939 is an apocalyptic number.

5157767939 is a deficient number, since it is larger than the sum of its proper divisors (1).

5157767939 is an equidigital number, since it uses as much as digits as its factorization.

5157767939 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12502350, while the sum is 59.

The square root of 5157767939 is about 71817.6018744709. The cubic root of 5157767939 is about 1727.7753197736.

The spelling of 5157767939 in words is "five billion, one hundred fifty-seven million, seven hundred sixty-seven thousand, nine hundred thirty-nine".