5257669877 has 2 divisors, whose sum is σ = 5257669878. Its totient is φ = 5257669876.

The previous prime is 5257669861. The next prime is 5257669903. The reversal of 5257669877 is 7789667525.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4053996241 + 1203673636 = 63671^2 + 34694^2 .

It is a cyclic number.

It is not a de Polignac number, because 5257669877 - 2⁴ = 5257669861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5257669847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2628834938 + 2628834939.

It is an arithmetic number, because the mean of its divisors is an integer number (2628834939).

Almost surely, 2^5257669877 is an apocalyptic number.

It is an amenable number.

5257669877 is a deficient number, since it is larger than the sum of its proper divisors (1).

5257669877 is an equidigital number, since it uses as much as digits as its factorization.

5257669877 is an evil number, because the sum of its binary digits is even.

The product of its digits is 44452800, while the sum is 62.

The square root of 5257669877 is about 72509.7915939634. The cubic root of 5257669877 is about 1738.8592819421.

The spelling of 5257669877 in words is "five billion, two hundred fifty-seven million, six hundred sixty-nine thousand, eight hundred seventy-seven".