793134857 has 2 divisors, whose sum is σ = 793134858. Its totient is φ = 793134856.

The previous prime is 793134827. The next prime is 793134883. The reversal of 793134857 is 758431397.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 761539216 + 31595641 = 27596^2 + 5621^2 .

It is an emirp because it is prime and its reverse (758431397) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 793134857 - 2²⁸ = 524699401 is a prime.

It is not a weakly prime, because it can be changed into another prime (793134827) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 396567428 + 396567429.

It is an arithmetic number, because the mean of its divisors is an integer number (396567429).

Almost surely, 2^793134857 is an apocalyptic number.

It is an amenable number.

793134857 is a deficient number, since it is larger than the sum of its proper divisors (1).

793134857 is an equidigital number, since it uses as much as digits as its factorization.

793134857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 635040, while the sum is 47.

The square root of 793134857 is about 28162.6500351086. The cubic root of 793134857 is about 925.6547035802.

The spelling of 793134857 in words is "seven hundred ninety-three million, one hundred thirty-four thousand, eight hundred fifty-seven".