816790698 has 12 divisors (see below), whose sum is σ = 1769713218. Its totient is φ = 272263560.

The previous prime is 816790673. The next prime is 816790739. The reversal of 816790698 is 896097618.

It can be written as a sum of positive squares in only one way, i.e., 721083609 + 95707089 = 26853^2 + 9783^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22688613 + ... + 22688648.

Almost surely, 2^816790698 is an apocalyptic number.

816790698 is an abundant number, since it is smaller than the sum of its proper divisors (952922520).

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

816790698 is a wasteful number, since it uses less digits than its factorization.

816790698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45377269 (or 45377266 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 54.

The square root of 816790698 is about 28579.5503463578. The cubic root of 816790698 is about 934.7674783786.

The spelling of 816790698 in words is "eight hundred sixteen million, seven hundred ninety thousand, six hundred ninety-eight".