8273858464 has 24 divisors (see below), whose sum is σ = 16556198148. Its totient is φ = 4069109760.

The previous prime is 8273858443. The next prime is 8273858477. The reversal of 8273858464 is 4648583728.

It can be written as a sum of positive squares in 2 ways, for example, as 8046090000 + 227768464 = 89700^2 + 15092^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2117377 + ... + 2121280.

Almost surely, 2^8273858464 is an apocalyptic number.

It is an amenable number.

8273858464 is an abundant number, since it is smaller than the sum of its proper divisors (8282339684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8273858464 is a wasteful number, since it uses less digits than its factorization.

8273858464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4238728 (or 4238720 counting only the distinct ones).

The product of its digits is 10321920, while the sum is 55.

The square root of 8273858464 is about 90960.7523275836. The cubic root of 8273858464 is about 2022.5659695825.

The spelling of 8273858464 in words is "eight billion, two hundred seventy-three million, eight hundred fifty-eight thousand, four hundred sixty-four".