5287367817 has 12 divisors (see below), whose sum is σ = 7650024564. Its totient is φ = 3519043200.

The previous prime is 5287367809. The next prime is 5287367909. The reversal of 5287367817 is 7187637825.

5287367817 is a `hidden beast` number, since 528 + 7 + 36 + 7 + 81 + 7 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4981677561 + 305690256 = 70581^2 + 17484^2 .

It is not a de Polignac number, because 5287367817 - 2³ = 5287367809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5287367807) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 483348 + ... + 494165.

It is an arithmetic number, because the mean of its divisors is an integer number (637502047).

Almost surely, 2^5287367817 is an apocalyptic number.

It is an amenable number.

5287367817 is a deficient number, since it is larger than the sum of its proper divisors (2362656747).

5287367817 is a wasteful number, since it uses less digits than its factorization.

5287367817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 978120 (or 978117 counting only the distinct ones).

The product of its digits is 3951360, while the sum is 54.

The square root of 5287367817 is about 72714.2889465337. The cubic root of 5287367817 is about 1742.1271181572.

The spelling of 5287367817 in words is "five billion, two hundred eighty-seven million, three hundred sixty-seven thousand, eight hundred seventeen".