5238772566 has 16 divisors (see below), whose sum is σ = 10527204288. Its totient is φ = 1737981000.

The previous prime is 5238772493. The next prime is 5238772571. The reversal of 5238772566 is 6652778325.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2067760 + ... + 2070291.

It is an arithmetic number, because the mean of its divisors is an integer number (657950268).

Almost surely, 2^5238772566 is an apocalyptic number.

5238772566 is an abundant number, since it is smaller than the sum of its proper divisors (5288431722).

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

5238772566 is a wasteful number, since it uses less digits than its factorization.

5238772566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4138267.

The product of its digits is 4233600, while the sum is 51.

The square root of 5238772566 is about 72379.3656092674. The cubic root of 5238772566 is about 1736.7734902766.

The spelling of 5238772566 in words is "five billion, two hundred thirty-eight million, seven hundred seventy-two thousand, five hundred sixty-six".