157179893329 has 2 divisors, whose sum is σ = 157179893330. Its totient is φ = 157179893328.

The previous prime is 157179893237. The next prime is 157179893357. The reversal of 157179893329 is 923398971751.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 92829902400 + 64349990929 = 304680^2 + 253673^2 .

It is a cyclic number.

It is not a de Polignac number, because 157179893329 - 2²¹ = 157177796177 is a prime.

It is not a weakly prime, because it can be changed into another prime (157170893329) 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, 78589946664 + 78589946665.

It is an arithmetic number, because the mean of its divisors is an integer number (78589946665).

Almost surely, 2^157179893329 is an apocalyptic number.

It is an amenable number.

157179893329 is a deficient number, since it is larger than the sum of its proper divisors (1).

157179893329 is an equidigital number, since it uses as much as digits as its factorization.

157179893329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25719120, while the sum is 64.

The spelling of 157179893329 in words is "one hundred fifty-seven billion, one hundred seventy-nine million, eight hundred ninety-three thousand, three hundred twenty-nine".