790689505 has 8 divisors (see below), whose sum is σ = 949674600. Its totient is φ = 631986816.

The previous prime is 790689481. The next prime is 790689511. The reversal of 790689505 is 505986097.

It can be written as a sum of positive squares in 4 ways, for example, as 35319249 + 755370256 = 5943^2 + 27484^2 .

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 790689505 - 2²⁵ = 757135073 is a prime.

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, 64390 + ... + 75679.

It is an arithmetic number, because the mean of its divisors is an integer number (118709325).

Almost surely, 2^790689505 is an apocalyptic number.

It is an amenable number.

790689505 is a deficient number, since it is larger than the sum of its proper divisors (158985095).

790689505 is a wasteful number, since it uses less digits than its factorization.

790689505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141203.

The product of its (nonzero) digits is 680400, while the sum is 49.

The square root of 790689505 is about 28119.2017134200. The cubic root of 790689505 is about 924.7024141338.

The spelling of 790689505 in words is "seven hundred ninety million, six hundred eighty-nine thousand, five hundred five".