793287255857 has 2 divisors, whose sum is σ = 793287255858. Its totient is φ = 793287255856.

The previous prime is 793287255799. The next prime is 793287255877. The reversal of 793287255857 is 758552782397.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 746909049121 + 46378206736 = 864239^2 + 215356^2 .

It is a cyclic number.

It is not a de Polignac number, because 793287255857 - 2²⁰ = 793286207281 is a prime.

It is not a weakly prime, because it can be changed into another prime (793287255877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 396643627928 + 396643627929.

It is an arithmetic number, because the mean of its divisors is an integer number (396643627929).

Almost surely, 2^793287255857 is an apocalyptic number.

It is an amenable number.

793287255857 is a deficient number, since it is larger than the sum of its proper divisors (1).

793287255857 is an equidigital number, since it uses as much as digits as its factorization.

793287255857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 296352000, while the sum is 68.

The spelling of 793287255857 in words is "seven hundred ninety-three billion, two hundred eighty-seven million, two hundred fifty-five thousand, eight hundred fifty-seven".