5278807456 has 48 divisors (see below), whose sum is σ = 11216669184. Its totient is φ = 2431021824.

The previous prime is 5278807439. The next prime is 5278807459. The reversal of 5278807456 is 6547088725.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is not an unprimeable number, because it can be changed into a prime (5278807459) 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, 178905 + ... + 206311.

It is an arithmetic number, because the mean of its divisors is an integer number (233680608).

Almost surely, 2^5278807456 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5278807456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5608334592).

5278807456 is an abundant number, since it is smaller than the sum of its proper divisors (5937861728).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5278807456 is a wasteful number, since it uses less digits than its factorization.

5278807456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27893 (or 27885 counting only the distinct ones).

The product of its (nonzero) digits is 3763200, while the sum is 52.

The square root of 5278807456 is about 72655.4021116118. The cubic root of 5278807456 is about 1741.1864300187.

The spelling of 5278807456 in words is "five billion, two hundred seventy-eight million, eight hundred seven thousand, four hundred fifty-six".