800699955 has 24 divisors (see below), whose sum is σ = 1408176336. Its totient is φ = 388217280.

The previous prime is 800699941. The next prime is 800699971. The reversal of 800699955 is 559996008.

It is not a de Polignac number, because 800699955 - 2¹¹ = 800697907 is a prime.

It is a super-2 number, since 2×800699955² = 1282240835874004050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 800699898 and 800699907.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 218764 + ... + 222393.

It is an arithmetic number, because the mean of its divisors is an integer number (58674014).

Almost surely, 2^800699955 is an apocalyptic number.

800699955 is a deficient number, since it is larger than the sum of its proper divisors (607476381).

800699955 is a wasteful number, since it uses less digits than its factorization.

800699955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 441187 (or 441176 counting only the distinct ones).

The product of its (nonzero) digits is 874800, while the sum is 51.

The square root of 800699955 is about 28296.6421152758. The cubic root of 800699955 is about 928.5884297423.

The spelling of 800699955 in words is "eight hundred million, six hundred ninety-nine thousand, nine hundred fifty-five".