790257057 has 8 divisors (see below), whose sum is σ = 1053998976. Its totient is φ = 526676592.

The previous prime is 790257049. The next prime is 790257067. The reversal of 790257057 is 750752097.

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

It is not a de Polignac number, because 790257057 - 2³ = 790257049 is a prime.

It is a super-3 number, since 3×790257057³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (790257037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28438 + ... + 48879.

It is an arithmetic number, because the mean of its divisors is an integer number (131749872).

Almost surely, 2^790257057 is an apocalyptic number.

It is an amenable number.

790257057 is a deficient number, since it is larger than the sum of its proper divisors (263741919).

790257057 is a wasteful number, since it uses less digits than its factorization.

790257057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80727.

The product of its (nonzero) digits is 154350, while the sum is 42.

The square root of 790257057 is about 28111.5111119982. The cubic root of 790257057 is about 924.5338023792.

The spelling of 790257057 in words is "seven hundred ninety million, two hundred fifty-seven thousand, fifty-seven".