8715726645 has 32 divisors (see below), whose sum is σ = 14693616000. Its totient is φ = 4399386624.

The previous prime is 8715726629. The next prime is 8715726647. The reversal of 8715726645 is 5466275178.

It is not a de Polignac number, because 8715726645 - 2⁴ = 8715726629 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8715726647) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 284389 + ... + 313541.

It is an arithmetic number, because the mean of its divisors is an integer number (459175500).

Almost surely, 2^8715726645 is an apocalyptic number.

It is an amenable number.

8715726645 is a deficient number, since it is larger than the sum of its proper divisors (5977889355).

8715726645 is a wasteful number, since it uses less digits than its factorization.

8715726645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30229.

The product of its digits is 2822400, while the sum is 51.

The square root of 8715726645 is about 93358.0561333622. The cubic root of 8715726645 is about 2057.9486479965.

The spelling of 8715726645 in words is "eight billion, seven hundred fifteen million, seven hundred twenty-six thousand, six hundred forty-five".