157677255629 has 2 divisors, whose sum is σ = 157677255630. Its totient is φ = 157677255628.

The previous prime is 157677255599. The next prime is 157677255667. The reversal of 157677255629 is 926552776751.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 150020655625 + 7656600004 = 387325^2 + 87502^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-157677255629 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157677251629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78838627814 + 78838627815.

It is an arithmetic number, because the mean of its divisors is an integer number (78838627815).

Almost surely, 2^157677255629 is an apocalyptic number.

It is an amenable number.

157677255629 is a deficient number, since it is larger than the sum of its proper divisors (1).

157677255629 is an equidigital number, since it uses as much as digits as its factorization.

157677255629 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55566000, while the sum is 62.

The spelling of 157677255629 in words is "one hundred fifty-seven billion, six hundred seventy-seven million, two hundred fifty-five thousand, six hundred twenty-nine".