800999982 has 32 divisors (see below), whose sum is σ = 1884708000. Its totient is φ = 251293824.

The previous prime is 800999957. The next prime is 801000007. The reversal of 800999982 is 289999008.

It is an interprime number because it is at equal distance from previous prime (800999957) and next prime (801000007).

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 435357 + ... + 437192.

It is an arithmetic number, because the mean of its divisors is an integer number (58897125).

Almost surely, 2^800999982 is an apocalyptic number.

800999982 is an abundant number, since it is smaller than the sum of its proper divisors (1083708018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

800999982 is a wasteful number, since it uses less digits than its factorization.

800999982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 872577 (or 872571 counting only the distinct ones).

The product of its (nonzero) digits is 839808, while the sum is 54.

The square root of 800999982 is about 28301.9430781704. The cubic root of 800999982 is about 928.7043977810.

The spelling of 800999982 in words is "eight hundred million, nine hundred ninety-nine thousand, nine hundred eighty-two".