779325073 has 2 divisors, whose sum is σ = 779325074. Its totient is φ = 779325072.

The previous prime is 779325061. The next prime is 779325083. The reversal of 779325073 is 370523977.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 709050384 + 70274689 = 26628^2 + 8383^2 .

It is an emirp because it is prime and its reverse (370523977) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 779325073 - 2¹⁷ = 779194001 is a prime.

It is not a weakly prime, because it can be changed into another prime (779325083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 389662536 + 389662537.

It is an arithmetic number, because the mean of its divisors is an integer number (389662537).

Almost surely, 2^779325073 is an apocalyptic number.

It is an amenable number.

779325073 is a deficient number, since it is larger than the sum of its proper divisors (1).

779325073 is an equidigital number, since it uses as much as digits as its factorization.

779325073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 277830, while the sum is 43.

The square root of 779325073 is about 27916.3943409603. The cubic root of 779325073 is about 920.2508267728.

The spelling of 779325073 in words is "seven hundred seventy-nine million, three hundred twenty-five thousand, seventy-three".