798057563 has 2 divisors, whose sum is σ = 798057564. Its totient is φ = 798057562.

The previous prime is 798057527. The next prime is 798057577. The reversal of 798057563 is 365750897.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 798057563 - 2⁸ = 798057307 is a prime.

It is a super-2 number, since 2×798057563² = 1273791747722997938, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (798057523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 399028781 + 399028782.

It is an arithmetic number, because the mean of its divisors is an integer number (399028782).

Almost surely, 2^798057563 is an apocalyptic number.

798057563 is a deficient number, since it is larger than the sum of its proper divisors (1).

798057563 is an equidigital number, since it uses as much as digits as its factorization.

798057563 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1587600, while the sum is 50.

The square root of 798057563 is about 28249.9126193339. The cubic root of 798057563 is about 927.5658249866.

The spelling of 798057563 in words is "seven hundred ninety-eight million, fifty-seven thousand, five hundred sixty-three".