5278779 has 24 divisors (see below), whose sum is σ = 8446464. Its totient is φ = 3150000.

The previous prime is 5278771. The next prime is 5278787. The reversal of 5278779 is 9778725.

It is an interprime number because it is at equal distance from previous prime (5278771) and next prime (5278787).

It is not a de Polignac number, because 5278779 - 2³ = 5278771 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5278771) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6654 + ... + 7404.

It is an arithmetic number, because the mean of its divisors is an integer number (351936).

Almost surely, 2^5278779 is an apocalyptic number.

5278779 is a deficient number, since it is larger than the sum of its proper divisors (3167685).

5278779 is a wasteful number, since it uses less digits than its factorization.

5278779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 839 (or 836 counting only the distinct ones).

The product of its digits is 246960, while the sum is 45.

The square root of 5278779 is about 2297.5593572311. The cubic root of 5278779 is about 174.1183301327.

It can be divided in two parts, 5 and 278779, that added together give a square (278784 = 528²).

The spelling of 5278779 in words is "five million, two hundred seventy-eight thousand, seven hundred seventy-nine".