801956799 has 24 divisors (see below), whose sum is σ = 1327397760. Its totient is φ = 457038288.

The previous prime is 801956789. The next prime is 801956803. The reversal of 801956799 is 997659108.

It is not a de Polignac number, because 801956799 - 2⁴ = 801956783 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (801956719) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7084 + ... + 40670.

It is an arithmetic number, because the mean of its divisors is an integer number (55308240).

Almost surely, 2^801956799 is an apocalyptic number.

801956799 is a deficient number, since it is larger than the sum of its proper divisors (525440961).

801956799 is a wasteful number, since it uses less digits than its factorization.

801956799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33979 (or 33976 counting only the distinct ones).

The product of its (nonzero) digits is 1224720, while the sum is 54.

The square root of 801956799 is about 28318.8417665695. The cubic root of 801956799 is about 929.0740384764.

The spelling of 801956799 in words is "eight hundred one million, nine hundred fifty-six thousand, seven hundred ninety-nine".