793654889 has 2 divisors, whose sum is σ = 793654890. Its totient is φ = 793654888.

The previous prime is 793654817. The next prime is 793654903. The reversal of 793654889 is 988456397.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 605553664 + 188101225 = 24608^2 + 13715^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-793654889 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (793651889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 396827444 + 396827445.

It is an arithmetic number, because the mean of its divisors is an integer number (396827445).

Almost surely, 2^793654889 is an apocalyptic number.

It is an amenable number.

793654889 is a deficient number, since it is larger than the sum of its proper divisors (1).

793654889 is an equidigital number, since it uses as much as digits as its factorization.

793654889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13063680, while the sum is 59.

The square root of 793654889 is about 28171.8811760947. The cubic root of 793654889 is about 925.8569663248.

The spelling of 793654889 in words is "seven hundred ninety-three million, six hundred fifty-four thousand, eight hundred eighty-nine".