5279421888 has 168 divisors, whose sum is σ = 16900771888. Its totient is φ = 1624375296.

The previous prime is 5279421881. The next prime is 5279421911. The reversal of 5279421888 is 8881249725.

5279421888 is a `hidden beast` number, since 527 + 94 + 21 + 8 + 8 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5279421881) 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, 189120 + ... + 215232.

Almost surely, 2^5279421888 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 5279421888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8450385944).

5279421888 is an abundant number, since it is smaller than the sum of its proper divisors (11621350000).

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

5279421888 is a wasteful number, since it uses less digits than its factorization.

5279421888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26153 (or 26131 counting only the distinct ones).

The product of its digits is 2580480, while the sum is 54.

The square root of 5279421888 is about 72659.6303871689. The cubic root of 5279421888 is about 1741.2539831017.

The spelling of 5279421888 in words is "five billion, two hundred seventy-nine million, four hundred twenty-one thousand, eight hundred eighty-eight".