8172498736 has 80 divisors (see below), whose sum is σ = 16816066560. Its totient is φ = 3839601920.

The previous prime is 8172498707. The next prime is 8172498739. The reversal of 8172498736 is 6378942718.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (8172498739) 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 15 ways as a sum of consecutive naturals, for example, 12514986 + ... + 12515638.

It is an arithmetic number, because the mean of its divisors is an integer number (210200832).

Almost surely, 2^8172498736 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 8172498736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8408033280).

8172498736 is an abundant number, since it is smaller than the sum of its proper divisors (8643567824).

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

8172498736 is a wasteful number, since it uses less digits than its factorization.

8172498736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1234 (or 1228 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 55.

The square root of 8172498736 is about 90401.8735204089. The cubic root of 8172498736 is about 2014.2727960178.

The spelling of 8172498736 in words is "eight billion, one hundred seventy-two million, four hundred ninety-eight thousand, seven hundred thirty-six".