799391545 has 8 divisors (see below), whose sum is σ = 963388296. Its totient is φ = 636767616.

The previous prime is 799391521. The next prime is 799391563. The reversal of 799391545 is 545193997.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9388096 + 790003449 = 3064^2 + 28107^2 .

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 799391545 - 2²³ = 791002937 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 799391492 and 799391501.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 341922 + ... + 344251.

It is an arithmetic number, because the mean of its divisors is an integer number (120423537).

Almost surely, 2^799391545 is an apocalyptic number.

It is an amenable number.

799391545 is a deficient number, since it is larger than the sum of its proper divisors (163996751).

799391545 is a wasteful number, since it uses less digits than its factorization.

799391545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686411.

The product of its digits is 1530900, while the sum is 52.

The square root of 799391545 is about 28273.5131350881. The cubic root of 799391545 is about 928.0823572029.

The spelling of 799391545 in words is "seven hundred ninety-nine million, three hundred ninety-one thousand, five hundred forty-five".