5187776557 has 8 divisors (see below), whose sum is σ = 5210930232. Its totient is φ = 5164646400.

The previous prime is 5187776501. The next prime is 5187776579. The reversal of 5187776557 is 7556777815.

It can be written as a sum of positive squares in 4 ways, for example, as 2070341001 + 3117435556 = 45501^2 + 55834^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5187776557 - 2¹⁹ = 5187252269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5187776057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 550707 + ... + 560047.

It is an arithmetic number, because the mean of its divisors is an integer number (651366279).

Almost surely, 2^5187776557 is an apocalyptic number.

It is an amenable number.

5187776557 is a deficient number, since it is larger than the sum of its proper divisors (23153675).

5187776557 is a wasteful number, since it uses less digits than its factorization.

5187776557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11759.

The product of its digits is 14406000, while the sum is 58.

The square root of 5187776557 is about 72026.2213155737. The cubic root of 5187776557 is about 1731.1196553250.

The spelling of 5187776557 in words is "five billion, one hundred eighty-seven million, seven hundred seventy-six thousand, five hundred fifty-seven".