157794911 has 2 divisors, whose sum is σ = 157794912. Its totient is φ = 157794910.

The previous prime is 157794893. The next prime is 157794919. The reversal of 157794911 is 119497751.

It is a strong prime.

It is an emirp because it is prime and its reverse (119497751) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 157794911 - 2²⁶ = 90686047 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (157794919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78897455 + 78897456.

It is an arithmetic number, because the mean of its divisors is an integer number (78897456).

Almost surely, 2^157794911 is an apocalyptic number.

157794911 is a deficient number, since it is larger than the sum of its proper divisors (1).

157794911 is an equidigital number, since it uses as much as digits as its factorization.

157794911 is an evil number, because the sum of its binary digits is even.

The product of its digits is 79380, while the sum is 44.

The square root of 157794911 is about 12561.6444385279. The cubic root of 157794911 is about 540.3780057920.

The spelling of 157794911 in words is "one hundred fifty-seven million, seven hundred ninety-four thousand, nine hundred eleven".