8149509888 has 216 divisors, whose sum is σ = 24135331248. Its totient is φ = 2438332416.

The previous prime is 8149509877. The next prime is 8149509913. The reversal of 8149509888 is 8889059418.

It is a super-2 number, since 2×8149509888² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4801456 + ... + 4803152.

Almost surely, 2^8149509888 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8149509888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12067665624).

8149509888 is an abundant number, since it is smaller than the sum of its proper divisors (15985821360).

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

8149509888 is a wasteful number, since it uses less digits than its factorization.

8149509888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1779 (or 1752 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 60.

The square root of 8149509888 is about 90274.6359062168. The cubic root of 8149509888 is about 2012.3823379790.

The spelling of 8149509888 in words is "eight billion, one hundred forty-nine million, five hundred nine thousand, eight hundred eighty-eight".