5187758257223 has 4 divisors (see below), whose sum is σ = 5189861120760. Its totient is φ = 5185655393688.

The previous prime is 5187758257219. The next prime is 5187758257249. The reversal of 5187758257223 is 3227528577815.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5187758257223 - 2² = 5187758257219 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 (5187758277223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1051428068 + ... + 1051433001.

It is an arithmetic number, because the mean of its divisors is an integer number (1297465280190).

Almost surely, 2^{5187758257223} is an apocalyptic number.

5187758257223 is a deficient number, since it is larger than the sum of its proper divisors (2102863537).

5187758257223 is a wasteful number, since it uses less digits than its factorization.

5187758257223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2102863536.

The product of its digits is 65856000, while the sum is 62.

The spelling of 5187758257223 in words is "five trillion, one hundred eighty-seven billion, seven hundred fifty-eight million, two hundred fifty-seven thousand, two hundred twenty-three".