4864447278 has 64 divisors (see below), whose sum is σ = 11044684800. Its totient is φ = 1586632320.

The previous prime is 4864447223. The next prime is 4864447319. The reversal of 4864447278 is 8727444684.

4864447278 is a `hidden beast` number, since 48 + 64 + 4 + 472 + 78 = 666.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 477013 + ... + 487103.

It is an arithmetic number, because the mean of its divisors is an integer number (172573200).

Almost surely, 2^4864447278 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4864447278, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5522342400).

4864447278 is an abundant number, since it is smaller than the sum of its proper divisors (6180237522).

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

4864447278 is a wasteful number, since it uses less digits than its factorization.

4864447278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10294 (or 10288 counting only the distinct ones).

The product of its digits is 9633792, while the sum is 54.

The square root of 4864447278 is about 69745.5896670177. The cubic root of 4864447278 is about 1694.3813671622.

The spelling of 4864447278 in words is "four billion, eight hundred sixty-four million, four hundred forty-seven thousand, two hundred seventy-eight".