13157825677 has 2 divisors, whose sum is σ = 13157825678. Its totient is φ = 13157825676.

The previous prime is 13157825561. The next prime is 13157825711. The reversal of 13157825677 is 77652875131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8004165156 + 5153660521 = 89466^2 + 71789^2 .

It is a cyclic number.

It is not a de Polignac number, because 13157825677 - 2¹⁵ = 13157792909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13157825777) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6578912838 + 6578912839.

It is an arithmetic number, because the mean of its divisors is an integer number (6578912839).

Almost surely, 2^13157825677 is an apocalyptic number.

It is an amenable number.

13157825677 is a deficient number, since it is larger than the sum of its proper divisors (1).

13157825677 is an equidigital number, since it uses as much as digits as its factorization.

13157825677 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2469600, while the sum is 52.

The spelling of 13157825677 in words is "thirteen billion, one hundred fifty-seven million, eight hundred twenty-five thousand, six hundred seventy-seven".