4893128784 has 80 divisors (see below), whose sum is σ = 14498199040. Its totient is φ = 1578424320.

The previous prime is 4893128783. The next prime is 4893128789. The reversal of 4893128784 is 4878213984.

It is a happy number.

4893128784 is a `hidden beast` number, since 489 + 3 + 1 + 2 + 87 + 84 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 4893128784.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4893128783) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 169297 + ... + 196080.

It is an arithmetic number, because the mean of its divisors is an integer number (181227488).

Almost surely, 2^4893128784 is an apocalyptic number.

It is an amenable number.

4893128784 is an abundant number, since it is smaller than the sum of its proper divisors (9605070256).

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

4893128784 is a wasteful number, since it uses less digits than its factorization.

4893128784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365425 (or 365413 counting only the distinct ones).

The product of its digits is 3096576, while the sum is 54.

The square root of 4893128784 is about 69950.9026675139. The cubic root of 4893128784 is about 1697.7049519187.

The spelling of 4893128784 in words is "four billion, eight hundred ninety-three million, one hundred twenty-eight thousand, seven hundred eighty-four".