779954053 has 2 divisors, whose sum is σ = 779954054. Its totient is φ = 779954052.

The previous prime is 779954051. The next prime is 779954089. The reversal of 779954053 is 350459977.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 750869604 + 29084449 = 27402^2 + 5393^2 .

It is a cyclic number.

It is not a de Polignac number, because 779954053 - 2¹ = 779954051 is a prime.

It is a super-2 number, since 2×779954053² = 1216656649582253618, which contains 22 as substring.

Together with 779954051, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 779953988 and 779954006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (779954051) 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, 389977026 + 389977027.

It is an arithmetic number, because the mean of its divisors is an integer number (389977027).

Almost surely, 2^779954053 is an apocalyptic number.

It is an amenable number.

779954053 is a deficient number, since it is larger than the sum of its proper divisors (1).

779954053 is an equidigital number, since it uses as much as digits as its factorization.

779954053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1190700, while the sum is 49.

The square root of 779954053 is about 27927.6574921707. The cubic root of 779954053 is about 920.4983331243.

The spelling of 779954053 in words is "seven hundred seventy-nine million, nine hundred fifty-four thousand, fifty-three".