8464144275 has 48 divisors (see below), whose sum is σ = 15662613600. Its totient is φ = 4481210880.

The previous prime is 8464144261. The next prime is 8464144277. The reversal of 8464144275 is 5724414648.

8464144275 is a `hidden beast` number, since 84 + 64 + 1 + 442 + 75 = 666.

It is not a de Polignac number, because 8464144275 - 2⁴ = 8464144259 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 8464144275.

It is not an unprimeable number, because it can be changed into a prime (8464144277) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 46711 + ... + 138239.

It is an arithmetic number, because the mean of its divisors is an integer number (326304450).

Almost surely, 2^8464144275 is an apocalyptic number.

8464144275 is a deficient number, since it is larger than the sum of its proper divisors (7198469325).

8464144275 is a wasteful number, since it uses less digits than its factorization.

8464144275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91685 (or 91674 counting only the distinct ones).

The product of its digits is 860160, while the sum is 45.

The square root of 8464144275 is about 92000.7840999195. The cubic root of 8464144275 is about 2037.9538848562.

The spelling of 8464144275 in words is "eight billion, four hundred sixty-four million, one hundred forty-four thousand, two hundred seventy-five".