800522989 has 16 divisors (see below), whose sum is σ = 947502720. Its totient is φ = 661752000.

The previous prime is 800522903. The next prime is 800523007. The reversal of 800522989 is 989225008.

It is not a de Polignac number, because 800522989 - 2⁹ = 800522477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (800522389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 244614 + ... + 247864.

It is an arithmetic number, because the mean of its divisors is an integer number (59218920).

Almost surely, 2^800522989 is an apocalyptic number.

It is an amenable number.

800522989 is a deficient number, since it is larger than the sum of its proper divisors (146979731).

800522989 is a wasteful number, since it uses less digits than its factorization.

800522989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4500.

The product of its (nonzero) digits is 103680, while the sum is 43.

The square root of 800522989 is about 28293.5149636803. The cubic root of 800522989 is about 928.5200143153.

The spelling of 800522989 in words is "eight hundred million, five hundred twenty-two thousand, nine hundred eighty-nine".