799127557 has 2 divisors, whose sum is σ = 799127558. Its totient is φ = 799127556.

The previous prime is 799127533. The next prime is 799127573. The reversal of 799127557 is 755721997.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 798966756 + 160801 = 28266^2 + 401^2 .

It is a cyclic number.

It is not a de Polignac number, because 799127557 - 2⁷ = 799127429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (799127957) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 399563778 + 399563779.

It is an arithmetic number, because the mean of its divisors is an integer number (399563779).

Almost surely, 2^799127557 is an apocalyptic number.

It is an amenable number.

799127557 is a deficient number, since it is larger than the sum of its proper divisors (1).

799127557 is an equidigital number, since it uses as much as digits as its factorization.

799127557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1389150, while the sum is 52.

The square root of 799127557 is about 28268.8442812931. The cubic root of 799127557 is about 927.9801838348.

The spelling of 799127557 in words is "seven hundred ninety-nine million, one hundred twenty-seven thousand, five hundred fifty-seven".