798538885 has 8 divisors (see below), whose sum is σ = 958619160. Its totient is φ = 638582784.

The previous prime is 798538879. The next prime is 798538891. The reversal of 798538885 is 588835897.

It is an interprime number because it is at equal distance from previous prime (798538879) and next prime (798538891).

It can be written as a sum of positive squares in 4 ways, for example, as 13586596 + 784952289 = 3686^2 + 28017^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 798538885 - 2²⁵ = 764984453 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16252 + ... + 43141.

It is an arithmetic number, because the mean of its divisors is an integer number (119827395).

Almost surely, 2^798538885 is an apocalyptic number.

It is an amenable number.

798538885 is a deficient number, since it is larger than the sum of its proper divisors (160080275).

798538885 is a wasteful number, since it uses less digits than its factorization.

798538885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62087.

The product of its digits is 19353600, while the sum is 61.

The square root of 798538885 is about 28258.4303350345. The cubic root of 798538885 is about 927.7522643837.

The spelling of 798538885 in words is "seven hundred ninety-eight million, five hundred thirty-eight thousand, eight hundred eighty-five".