791801885 has 16 divisors (see below), whose sum is σ = 1090417152. Its totient is φ = 540691200.

The previous prime is 791801861. The next prime is 791801893. The reversal of 791801885 is 588108197.

It is not a de Polignac number, because 791801885 - 2⁸ = 791801629 is a prime.

It is a Smith number, since the sum of its digits (47) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38501 + ... + 55370.

It is an arithmetic number, because the mean of its divisors is an integer number (68151072).

Almost surely, 2^791801885 is an apocalyptic number.

It is an amenable number.

791801885 is a deficient number, since it is larger than the sum of its proper divisors (298615267).

791801885 is a wasteful number, since it uses less digits than its factorization.

791801885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94124.

The product of its (nonzero) digits is 161280, while the sum is 47.

The square root of 791801885 is about 28138.9744838009. The cubic root of 791801885 is about 925.1358495387.

The spelling of 791801885 in words is "seven hundred ninety-one million, eight hundred one thousand, eight hundred eighty-five".