790042865 has 8 divisors (see below), whose sum is σ = 961038888. Its totient is φ = 623376000.

The previous prime is 790042859. The next prime is 790042871. The reversal of 790042865 is 568240097.

It is an interprime number because it is at equal distance from previous prime (790042859) and next prime (790042871).

It can be written as a sum of positive squares in 4 ways, for example, as 236052496 + 553990369 = 15364^2 + 23537^2 .

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

It is not a de Polignac number, because 790042865 - 2⁸ = 790042609 is a prime.

It is a Duffinian number.

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, 1081886 + ... + 1082615.

It is an arithmetic number, because the mean of its divisors is an integer number (120129861).

Almost surely, 2^790042865 is an apocalyptic number.

It is an amenable number.

790042865 is a deficient number, since it is larger than the sum of its proper divisors (170996023).

790042865 is a wasteful number, since it uses less digits than its factorization.

790042865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2164579.

The product of its (nonzero) digits is 120960, while the sum is 41.

The square root of 790042865 is about 28107.7011688968. The cubic root of 790042865 is about 924.4502660006.

The spelling of 790042865 in words is "seven hundred ninety million, forty-two thousand, eight hundred sixty-five".