789937081 has 2 divisors, whose sum is σ = 789937082. Its totient is φ = 789937080.

The previous prime is 789937063. The next prime is 789937091. The reversal of 789937081 is 180739987.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 620807056 + 169130025 = 24916^2 + 13005^2 .

It is an emirp because it is prime and its reverse (180739987) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 789937081 - 2²³ = 781548473 is a prime.

It is a super-2 number, since 2×789937081² = 1248001183877601122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (789937091) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 394968540 + 394968541.

It is an arithmetic number, because the mean of its divisors is an integer number (394968541).

Almost surely, 2^789937081 is an apocalyptic number.

It is an amenable number.

789937081 is a deficient number, since it is larger than the sum of its proper divisors (1).

789937081 is an equidigital number, since it uses as much as digits as its factorization.

789937081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 762048, while the sum is 52.

The square root of 789937081 is about 28105.8193440433. The cubic root of 789937081 is about 924.4090039307.

The spelling of 789937081 in words is "seven hundred eighty-nine million, nine hundred thirty-seven thousand, eighty-one".