5278698254 has 16 divisors (see below), whose sum is σ = 8392277808. Its totient is φ = 2481585792.

The previous prime is 5278698253. The next prime is 5278698281. The reversal of 5278698254 is 4528968725.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 5278698254.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5278698251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43964 + ... + 111759.

It is an arithmetic number, because the mean of its divisors is an integer number (524517363).

Almost surely, 2^5278698254 is an apocalyptic number.

5278698254 is a deficient number, since it is larger than the sum of its proper divisors (3113579554).

5278698254 is a wasteful number, since it uses less digits than its factorization.

5278698254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156739.

The product of its digits is 9676800, while the sum is 56.

The square root of 5278698254 is about 72654.6506013208. The cubic root of 5278698254 is about 1741.1744233705.

The spelling of 5278698254 in words is "five billion, two hundred seventy-eight million, six hundred ninety-eight thousand, two hundred fifty-four".