8247425899 has 4 divisors (see below), whose sum is σ = 8249244264. Its totient is φ = 8245607536.

The previous prime is 8247425897. The next prime is 8247425933. The reversal of 8247425899 is 9985247428.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8247425899 - 2¹ = 8247425897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8247425897) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 902362 + ... + 911455.

It is an arithmetic number, because the mean of its divisors is an integer number (2062311066).

Almost surely, 2^8247425899 is an apocalyptic number.

8247425899 is a deficient number, since it is larger than the sum of its proper divisors (1818365).

8247425899 is a wasteful number, since it uses less digits than its factorization.

8247425899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1818364.

The product of its digits is 11612160, while the sum is 58.

The square root of 8247425899 is about 90815.3395578082. The cubic root of 8247425899 is about 2020.4098357237.

The spelling of 8247425899 in words is "eight billion, two hundred forty-seven million, four hundred twenty-five thousand, eight hundred ninety-nine".