8469927138 has 48 divisors (see below), whose sum is σ = 17359949376. Its totient is φ = 2754897600.

The previous prime is 8469927083. The next prime is 8469927139. The reversal of 8469927138 is 8317299648.

It is not an unprimeable number, because it can be changed into a prime (8469927139) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3318963 + ... + 3321513.

It is an arithmetic number, because the mean of its divisors is an integer number (361665612).

Almost surely, 2^8469927138 is an apocalyptic number.

8469927138 is an abundant number, since it is smaller than the sum of its proper divisors (8890022238).

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

8469927138 is a wasteful number, since it uses less digits than its factorization.

8469927138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2859 (or 2806 counting only the distinct ones).

The product of its digits is 5225472, while the sum is 57.

The square root of 8469927138 is about 92032.2070690473. The cubic root of 8469927138 is about 2038.4179020403.

The spelling of 8469927138 in words is "eight billion, four hundred sixty-nine million, nine hundred twenty-seven thousand, one hundred thirty-eight".