801997088 has 24 divisors (see below), whose sum is σ = 1633379580. Its totient is φ = 387170560.

The previous prime is 801997081. The next prime is 801997099. The reversal of 801997088 is 880799108.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 799079824 + 2917264 = 28268^2 + 1708^2 .

It is not an unprimeable number, because it can be changed into a prime (801997081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 431183 + ... + 433038.

Almost surely, 2^801997088 is an apocalyptic number.

It is an amenable number.

801997088 is an abundant number, since it is smaller than the sum of its proper divisors (831382492).

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

801997088 is a wasteful number, since it uses less digits than its factorization.

801997088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864260 (or 864252 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 50.

The square root of 801997088 is about 28319.5531038186. The cubic root of 801997088 is about 929.0895966034.

The spelling of 801997088 in words is "eight hundred one million, nine hundred ninety-seven thousand, eighty-eight".