8299672128 has 140 divisors (see below), whose sum is σ = 26839633392. Its totient is φ = 2515034880.

The previous prime is 8299672099. The next prime is 8299672141. The reversal of 8299672128 is 8212769928.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 15750 + ... + 129797.

Almost surely, 2^8299672128 is an apocalyptic number.

8299672128 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8299672128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13419816696).

8299672128 is an abundant number, since it is smaller than the sum of its proper divisors (18539961264).

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

8299672128 is a wasteful number, since it uses less digits than its factorization.

8299672128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145582 (or 145563 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 54.

The square root of 8299672128 is about 91102.5363422995. The cubic root of 8299672128 is about 2024.6671913965.

The spelling of 8299672128 in words is "eight billion, two hundred ninety-nine million, six hundred seventy-two thousand, one hundred twenty-eight".