157828607957 has 2 divisors, whose sum is σ = 157828607958. Its totient is φ = 157828607956.

The previous prime is 157828607921. The next prime is 157828608019. The reversal of 157828607957 is 759706828751.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 143846491441 + 13982116516 = 379271^2 + 118246^2 .

It is a cyclic number.

It is not a de Polignac number, because 157828607957 - 2³⁰ = 156754866133 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 157828607893 and 157828607902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157828607917) 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, 78914303978 + 78914303979.

It is an arithmetic number, because the mean of its divisors is an integer number (78914303979).

Almost surely, 2^157828607957 is an apocalyptic number.

It is an amenable number.

157828607957 is a deficient number, since it is larger than the sum of its proper divisors (1).

157828607957 is an equidigital number, since it uses as much as digits as its factorization.

157828607957 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 59270400, while the sum is 65.

The spelling of 157828607957 in words is "one hundred fifty-seven billion, eight hundred twenty-eight million, six hundred seven thousand, nine hundred fifty-seven".