8247725979 has 8 divisors (see below), whose sum is σ = 11575755840. Its totient is φ = 5209090056.

The previous prime is 8247725977. The next prime is 8247726023. The reversal of 8247725979 is 9795277428.

8247725979 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 8247725979 - 2¹ = 8247725977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8247725977) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72348417 + ... + 72348530.

It is an arithmetic number, because the mean of its divisors is an integer number (1446969480).

Almost surely, 2^8247725979 is an apocalyptic number.

8247725979 is a deficient number, since it is larger than the sum of its proper divisors (3328029861).

8247725979 is a wasteful number, since it uses less digits than its factorization.

8247725979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144696969.

The product of its digits is 17781120, while the sum is 60.

The square root of 8247725979 is about 90816.9916865781. The cubic root of 8247725979 is about 2020.4343394189.

The spelling of 8247725979 in words is "eight billion, two hundred forty-seven million, seven hundred twenty-five thousand, nine hundred seventy-nine".