5278000505 has 8 divisors (see below), whose sum is σ = 6334067400. Its totient is φ = 4222089216.

The previous prime is 5278000499. The next prime is 5278000513. The reversal of 5278000505 is 5050008725.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 758396521 + 4519603984 = 27539^2 + 67228^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 5278000505 - 2¹⁴ = 5277984121 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57401 + ... + 117689.

It is an arithmetic number, because the mean of its divisors is an integer number (791758425).

Almost surely, 2^5278000505 is an apocalyptic number.

It is an amenable number.

5278000505 is a deficient number, since it is larger than the sum of its proper divisors (1056066895).

5278000505 is a wasteful number, since it uses less digits than its factorization.

5278000505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77803.

The product of its (nonzero) digits is 14000, while the sum is 32.

The square root of 5278000505 is about 72649.8486233798. The cubic root of 5278000505 is about 1741.0977026723.

The spelling of 5278000505 in words is "five billion, two hundred seventy-eight million, five hundred five", and thus it is an aban number.