8457899 has 6 divisors (see below), whose sum is σ = 8623356. Its totient is φ = 8295560.

The previous prime is 8457893. The next prime is 8457901. The reversal of 8457899 is 9987548.

8457899 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8457899 - 2⁸ = 8457643 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8457893) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1304 + ... + 4314.

It is an arithmetic number, because the mean of its divisors is an integer number (1437226).

Almost surely, 2^8457899 is an apocalyptic number.

8457899 is a deficient number, since it is larger than the sum of its proper divisors (165457).

8457899 is an equidigital number, since it uses as much as digits as its factorization.

8457899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3117 (or 3064 counting only the distinct ones).

The product of its digits is 725760, while the sum is 50.

The square root of 8457899 is about 2908.2467226836. The cubic root of 8457899 is about 203.7452526275.

The spelling of 8457899 in words is "eight million, four hundred fifty-seven thousand, eight hundred ninety-nine".