888486813 has 10 divisors (see below), whose sum is σ = 1327245854. Its totient is φ = 592324488.

The previous prime is 888486791. The next prime is 888486821. The reversal of 888486813 is 318684888.

888486813 is a `hidden beast` number, since 8 + 88 + 486 + 81 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 861892164 + 26594649 = 29358^2 + 5157^2 .

It is not a de Polignac number, because 888486813 - 2⁹ = 888486301 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 888486813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (888486013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 5484406 + ... + 5484567.

Almost surely, 2^888486813 is an apocalyptic number.

It is an amenable number.

888486813 is a deficient number, since it is larger than the sum of its proper divisors (438759041).

888486813 is a wasteful number, since it uses less digits than its factorization.

888486813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10968985 (or 10968976 counting only the distinct ones).

The product of its digits is 2359296, while the sum is 54.

The square root of 888486813 is about 29807.4959196508. The cubic root of 888486813 is about 961.3547182294.

The spelling of 888486813 in words is "eight hundred eighty-eight million, four hundred eighty-six thousand, eight hundred thirteen".