5278864172 has 12 divisors (see below), whose sum is σ = 9251662560. Its totient is φ = 2635532016.

The previous prime is 5278864147. The next prime is 5278864189. The reversal of 5278864172 is 2714688725.

It is a self number, because there is not a number n which added to its sum of digits gives 5278864172.

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, 971972 + ... + 977387.

It is an arithmetic number, because the mean of its divisors is an integer number (770971880).

Almost surely, 2^5278864172 is an apocalyptic number.

It is an amenable number.

5278864172 is a deficient number, since it is larger than the sum of its proper divisors (3972798388).

5278864172 is a wasteful number, since it uses less digits than its factorization.

5278864172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1950040 (or 1950038 counting only the distinct ones).

The product of its digits is 1505280, while the sum is 50.

The square root of 5278864172 is about 72655.7924187742. The cubic root of 5278864172 is about 1741.1926658195.

The spelling of 5278864172 in words is "five billion, two hundred seventy-eight million, eight hundred sixty-four thousand, one hundred seventy-two".