157696339 has 2 divisors, whose sum is σ = 157696340. Its totient is φ = 157696338.

The previous prime is 157696313. The next prime is 157696379. The reversal of 157696339 is 933696751.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 157696339 - 2⁹ = 157695827 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 157696292 and 157696301.

It is not a weakly prime, because it can be changed into another prime (157696379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78848169 + 78848170.

It is an arithmetic number, because the mean of its divisors is an integer number (78848170).

Almost surely, 2^157696339 is an apocalyptic number.

157696339 is a deficient number, since it is larger than the sum of its proper divisors (1).

157696339 is an equidigital number, since it uses as much as digits as its factorization.

157696339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 918540, while the sum is 49.

The square root of 157696339 is about 12557.7202947032. The cubic root of 157696339 is about 540.2654604722.

The spelling of 157696339 in words is "one hundred fifty-seven million, six hundred ninety-six thousand, three hundred thirty-nine".