8718725499 has 8 divisors (see below), whose sum is σ = 12681782592. Its totient is φ = 5284076040.

The previous prime is 8718725471. The next prime is 8718725501. The reversal of 8718725499 is 9945278178.

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

It is not a de Polignac number, because 8718725499 - 2⁷ = 8718725371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8718725999) 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, 132101869 + ... + 132101934.

It is an arithmetic number, because the mean of its divisors is an integer number (1585222824).

Almost surely, 2^8718725499 is an apocalyptic number.

8718725499 is a deficient number, since it is larger than the sum of its proper divisors (3963057093).

8718725499 is a wasteful number, since it uses less digits than its factorization.

8718725499 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 264203817.

The product of its digits is 10160640, while the sum is 60.

The square root of 8718725499 is about 93374.1157869781. The cubic root of 8718725499 is about 2058.1846497324.

The spelling of 8718725499 in words is "eight billion, seven hundred eighteen million, seven hundred twenty-five thousand, four hundred ninety-nine".