5139988776 has 96 divisors (see below), whose sum is σ = 15070648320. Its totient is φ = 1573200000.

The previous prime is 5139988769. The next prime is 5139988823. The reversal of 5139988776 is 6778899315.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 164401 + ... + 193151.

It is an arithmetic number, because the mean of its divisors is an integer number (156985920).

Almost surely, 2^5139988776 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 5139988776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7535324160).

5139988776 is an abundant number, since it is smaller than the sum of its proper divisors (9930659544).

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

5139988776 is a wasteful number, since it uses less digits than its factorization.

5139988776 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28967 (or 28960 counting only the distinct ones).

The product of its digits is 22861440, while the sum is 63.

The square root of 5139988776 is about 71693.7150383491. The cubic root of 5139988776 is about 1725.7877828352.

The spelling of 5139988776 in words is "five billion, one hundred thirty-nine million, nine hundred eighty-eight thousand, seven hundred seventy-six".