5250777815 has 8 divisors (see below), whose sum is σ = 6301324368. Its totient is φ = 4200361600.

The previous prime is 5250777797. The next prime is 5250777881. The reversal of 5250777815 is 5187770525.

It is a happy number.

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

It is not a de Polignac number, because 5250777815 - 2³⁰ = 4177035991 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 5250777815.

It is a congruent number.

It is an unprimeable number.

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, 128024 + ... + 163986.

It is an arithmetic number, because the mean of its divisors is an integer number (787665546).

Almost surely, 2^5250777815 is an apocalyptic number.

5250777815 is a deficient number, since it is larger than the sum of its proper divisors (1050546553).

5250777815 is a wasteful number, since it uses less digits than its factorization.

5250777815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65169.

The product of its (nonzero) digits is 686000, while the sum is 47.

The square root of 5250777815 is about 72462.2509655890. The cubic root of 5250777815 is about 1738.0991501306.

The spelling of 5250777815 in words is "five billion, two hundred fifty million, seven hundred seventy-seven thousand, eight hundred fifteen".