5139977472 has 360 divisors, whose sum is σ = 18555235776. Its totient is φ = 1381515264.

The previous prime is 5139977467. The next prime is 5139977477. The reversal of 5139977472 is 2747799315.

5139977472 is a `hidden beast` number, since 5 + 13 + 99 + 77 + 472 = 666.

It is an interprime number because it is at equal distance from previous prime (5139977467) and next prime (5139977477).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5139977477) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2466543 + ... + 2468625.

Almost surely, 2^5139977472 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 5139977472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9277617888).

5139977472 is an abundant number, since it is smaller than the sum of its proper divisors (13415258304).

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

5139977472 is a wasteful number, since it uses less digits than its factorization.

5139977472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2135 (or 2112 counting only the distinct ones).

The product of its digits is 3333960, while the sum is 54.

The square root of 5139977472 is about 71693.6362029434. The cubic root of 5139977472 is about 1725.7865177015.

The spelling of 5139977472 in words is "five billion, one hundred thirty-nine million, nine hundred seventy-seven thousand, four hundred seventy-two".