8465094784 has 64 divisors (see below), whose sum is σ = 17926722360. Its totient is φ = 3967811584.

The previous prime is 8465094779. The next prime is 8465094787. The reversal of 8465094784 is 4874905648.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 8304312384 + 160782400 = 91128^2 + 12680^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (8465094787) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 551664 + ... + 566800.

Almost surely, 2^8465094784 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8465094784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8963361180).

8465094784 is an abundant number, since it is smaller than the sum of its proper divisors (9461627576).

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

8465094784 is a wasteful number, since it uses less digits than its factorization.

8465094784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15425 (or 15413 counting only the distinct ones).

The product of its (nonzero) digits is 7741440, while the sum is 55.

The square root of 8465094784 is about 92005.9497206567. The cubic root of 8465094784 is about 2038.0301682520.

The spelling of 8465094784 in words is "eight billion, four hundred sixty-five million, ninety-four thousand, seven hundred eighty-four".