815830088 has 16 divisors (see below), whose sum is σ = 1582429500. Its totient is φ = 393848896.

The previous prime is 815830087. The next prime is 815830097. The reversal of 815830088 is 880038518.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 812136004 + 3694084 = 28498^2 + 1922^2 .

It is not an unprimeable number, because it can be changed into a prime (815830087) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1758023 + ... + 1758486.

Almost surely, 2^815830088 is an apocalyptic number.

It is an amenable number.

815830088 is a deficient number, since it is larger than the sum of its proper divisors (766599412).

815830088 is a wasteful number, since it uses less digits than its factorization.

815830088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3516544 (or 3516540 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 41.

The square root of 815830088 is about 28562.7395044663. The cubic root of 815830088 is about 934.4008813061.

The spelling of 815830088 in words is "eight hundred fifteen million, eight hundred thirty thousand, eighty-eight".