8287944457 has 32 divisors (see below), whose sum is σ = 9719843840. Its totient is φ = 6998400000.

The previous prime is 8287944403. The next prime is 8287944487. The reversal of 8287944457 is 7544497828.

It is a cyclic number.

It is not a de Polignac number, because 8287944457 - 2¹¹ = 8287942409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8287944487) 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, 4600957 + ... + 4602757.

It is an arithmetic number, because the mean of its divisors is an integer number (303745120).

Almost surely, 2^8287944457 is an apocalyptic number.

It is an amenable number.

8287944457 is a deficient number, since it is larger than the sum of its proper divisors (1431899383).

8287944457 is a wasteful number, since it uses less digits than its factorization.

8287944457 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2465.

The product of its digits is 18063360, while the sum is 58.

The square root of 8287944457 is about 91038.1483610030. The cubic root of 8287944457 is about 2023.7131045735.

The spelling of 8287944457 in words is "eight billion, two hundred eighty-seven million, nine hundred forty-four thousand, four hundred fifty-seven".