5187748557 has 8 divisors (see below), whose sum is σ = 6917339520. Its totient is φ = 3458328320.

The previous prime is 5187748513. The next prime is 5187748583. The reversal of 5187748557 is 7558477815.

It is a happy number.

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 5187748557 - 2⁶ = 5187748493 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5187748497 and 5187748506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5187748057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73069 + ... + 125357.

It is an arithmetic number, because the mean of its divisors is an integer number (864667440).

Almost surely, 2^5187748557 is an apocalyptic number.

It is an amenable number.

5187748557 is a deficient number, since it is larger than the sum of its proper divisors (1729590963).

5187748557 is a wasteful number, since it uses less digits than its factorization.

5187748557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85363.

The product of its digits is 10976000, while the sum is 57.

The square root of 5187748557 is about 72026.0269416549. The cubic root of 5187748557 is about 1731.1165408605.

The spelling of 5187748557 in words is "five billion, one hundred eighty-seven million, seven hundred forty-eight thousand, five hundred fifty-seven".