8809873631 has 4 divisors (see below), whose sum is σ = 9487556232. Its totient is φ = 8132191032.

The previous prime is 8809873627. The next prime is 8809873649. The reversal of 8809873631 is 1363789088.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8809873631 - 2² = 8809873627 is a prime.

It is a super-2 number, since 2×8809873631² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8809873651) 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, 338841281 + ... + 338841306.

It is an arithmetic number, because the mean of its divisors is an integer number (2371889058).

Almost surely, 2^8809873631 is an apocalyptic number.

8809873631 is a deficient number, since it is larger than the sum of its proper divisors (677682601).

8809873631 is a wasteful number, since it uses less digits than its factorization.

8809873631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677682600.

The product of its (nonzero) digits is 1741824, while the sum is 53.

The square root of 8809873631 is about 93860.9270729839. The cubic root of 8809873631 is about 2065.3320902590.

The spelling of 8809873631 in words is "eight billion, eight hundred nine million, eight hundred seventy-three thousand, six hundred thirty-one".