8457223405 has 32 divisors (see below), whose sum is σ = 10464827904. Its totient is φ = 6559128576.

The previous prime is 8457223391. The next prime is 8457223417. The reversal of 8457223405 is 5043227548.

It is a cyclic number.

It is not a de Polignac number, because 8457223405 - 2⁵ = 8457223373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5942524 + ... + 5943946.

It is an arithmetic number, because the mean of its divisors is an integer number (327025872).

Almost surely, 2^8457223405 is an apocalyptic number.

It is an amenable number.

8457223405 is a deficient number, since it is larger than the sum of its proper divisors (2007604499).

8457223405 is a wasteful number, since it uses less digits than its factorization.

8457223405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1765.

The product of its (nonzero) digits is 268800, while the sum is 40.

The square root of 8457223405 is about 91963.1633046624. The cubic root of 8457223405 is about 2037.3982760260.

The spelling of 8457223405 in words is "eight billion, four hundred fifty-seven million, two hundred twenty-three thousand, four hundred five".