799457405 has 8 divisors (see below), whose sum is σ = 960361272. Its totient is φ = 638891008.

The previous prime is 799457387. The next prime is 799457443. The reversal of 799457405 is 504754997.

It can be written as a sum of positive squares in 4 ways, for example, as 942841 + 798514564 = 971^2 + 28258^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 799457405 - 2⁶ = 799457341 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 79124 + ... + 88653.

It is an arithmetic number, because the mean of its divisors is an integer number (120045159).

Almost surely, 2^799457405 is an apocalyptic number.

It is an amenable number.

799457405 is a deficient number, since it is larger than the sum of its proper divisors (160903867).

799457405 is a wasteful number, since it uses less digits than its factorization.

799457405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168735.

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

The square root of 799457405 is about 28274.6778054145. The cubic root of 799457405 is about 928.1078440147.

The spelling of 799457405 in words is "seven hundred ninety-nine million, four hundred fifty-seven thousand, four hundred five".