4731279378 has 96 divisors (see below), whose sum is σ = 11414208960. Its totient is φ = 1302658560.

The previous prime is 4731279347. The next prime is 4731279389. The reversal of 4731279378 is 8739721374.

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 4731279378.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 998118 + ... + 1002846.

It is an arithmetic number, because the mean of its divisors is an integer number (118898010).

Almost surely, 2^4731279378 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4731279378, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5707104480).

4731279378 is an abundant number, since it is smaller than the sum of its proper divisors (6682929582).

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

4731279378 is a wasteful number, since it uses less digits than its factorization.

4731279378 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4872 (or 4865 counting only the distinct ones).

The product of its digits is 1778112, while the sum is 51.

The square root of 4731279378 is about 68784.2960129709. The cubic root of 4731279378 is about 1678.7764354682.

The spelling of 4731279378 in words is "four billion, seven hundred thirty-one million, two hundred seventy-nine thousand, three hundred seventy-eight".