5239877769 has 63 divisors (see below), whose sum is σ = 9162794973. Its totient is φ = 2986398072.

The previous prime is 5239877761. The next prime is 5239877791. The reversal of 5239877769 is 9677789325.

The square root of 5239877769 is 72387.

It is a perfect power (a square), and thus also a powerful number.

It is a tau number, because it is divible by the number of its divisors (63).

It is not a de Polignac number, because 5239877769 - 2³ = 5239877761 is a prime.

It is a super-2 number, since 2×5239877769² = 54912638068120834722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (5239877761) by changing a digit.

It is a polite number, since it can be written in 62 ways as a sum of consecutive naturals, for example, 13680952 + ... + 13681334.

Almost surely, 2^5239877769 is an apocalyptic number.

5239877769 is the 72387-th square number.

5239877769 is the 36194-th centered octagonal number.

It is an amenable number.

5239877769 is a deficient number, since it is larger than the sum of its proper divisors (3922917204).

5239877769 is an frugal number, since it uses more digits than its factorization.

5239877769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798 (or 393 counting only the distinct ones).

The product of its digits is 40007520, while the sum is 63.

The cubic root of 5239877769 is about 1736.8956150861.

The spelling of 5239877769 in words is "five billion, two hundred thirty-nine million, eight hundred seventy-seven thousand, seven hundred sixty-nine".