5168687285 has 4 divisors (see below), whose sum is σ = 6202424748. Its totient is φ = 4134949824.

The previous prime is 5168687273. The next prime is 5168687309. The reversal of 5168687285 is 5827868615.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1590494161 + 3578193124 = 39881^2 + 59818^2 .

It is a cyclic number.

It is not a de Polignac number, because 5168687285 - 2¹⁶ = 5168621749 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 5168687285.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 516868724 + ... + 516868733.

It is an arithmetic number, because the mean of its divisors is an integer number (1550606187).

Almost surely, 2^5168687285 is an apocalyptic number.

It is an amenable number.

5168687285 is a deficient number, since it is larger than the sum of its proper divisors (1033737463).

5168687285 is a wasteful number, since it uses less digits than its factorization.

5168687285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033737462.

The product of its digits is 6451200, while the sum is 56.

The square root of 5168687285 is about 71893.5830585735. The cubic root of 5168687285 is about 1728.9937330308.

The spelling of 5168687285 in words is "five billion, one hundred sixty-eight million, six hundred eighty-seven thousand, two hundred eighty-five".