157879573031 has 2 divisors, whose sum is σ = 157879573032. Its totient is φ = 157879573030.

The previous prime is 157879572967. The next prime is 157879573051. The reversal of 157879573031 is 130375978751.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 157879573031 - 2⁶ = 157879572967 is a prime.

It is a super-2 number, since 2×157879573031² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157879573051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78939786515 + 78939786516.

It is an arithmetic number, because the mean of its divisors is an integer number (78939786516).

Almost surely, 2^157879573031 is an apocalyptic number.

157879573031 is a deficient number, since it is larger than the sum of its proper divisors (1).

157879573031 is an equidigital number, since it uses as much as digits as its factorization.

157879573031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5556600, while the sum is 56.

The spelling of 157879573031 in words is "one hundred fifty-seven billion, eight hundred seventy-nine million, five hundred seventy-three thousand, thirty-one".