157948715297 has 2 divisors, whose sum is σ = 157948715298. Its totient is φ = 157948715296.

The previous prime is 157948715231. The next prime is 157948715311. The reversal of 157948715297 is 792517849751.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 124913471761 + 33035243536 = 353431^2 + 181756^2 .

It is a cyclic number.

It is not a de Polignac number, because 157948715297 - 2¹⁸ = 157948453153 is a prime.

It is a super-3 number, since 3×157948715297³ (a number of 35 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (157948715207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78974357648 + 78974357649.

It is an arithmetic number, because the mean of its divisors is an integer number (78974357649).

Almost surely, 2^157948715297 is an apocalyptic number.

It is an amenable number.

157948715297 is a deficient number, since it is larger than the sum of its proper divisors (1).

157948715297 is an equidigital number, since it uses as much as digits as its factorization.

157948715297 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 44452800, while the sum is 65.

The spelling of 157948715297 in words is "one hundred fifty-seven billion, nine hundred forty-eight million, seven hundred fifteen thousand, two hundred ninety-seven".