5168239087 has 8 divisors (see below), whose sum is σ = 5638626000. Its totient is φ = 4697943360.

The previous prime is 5168239073. The next prime is 5168239093. The reversal of 5168239087 is 7809328615.

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

It is a de Polignac number, because none of the positive numbers 2^k-5168239087 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5168239087.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5168239007) 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, 158323 + ... + 188155.

It is an arithmetic number, because the mean of its divisors is an integer number (704828250).

Almost surely, 2^5168239087 is an apocalyptic number.

5168239087 is a deficient number, since it is larger than the sum of its proper divisors (470386913).

5168239087 is a wasteful number, since it uses less digits than its factorization.

5168239087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45593.

The product of its (nonzero) digits is 725760, while the sum is 49.

The square root of 5168239087 is about 71890.4658977809. The cubic root of 5168239087 is about 1728.9437555484.

The spelling of 5168239087 in words is "five billion, one hundred sixty-eight million, two hundred thirty-nine thousand, eighty-seven".