4378860864 has 224 divisors, whose sum is σ = 14761098240. Its totient is φ = 1246938624.

The previous prime is 4378860847. The next prime is 4378860869. The reversal of 4378860864 is 4680688734.

It is a tau number, because it is divible by the number of its divisors (224).

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

It is a self number, because there is not a number n which added to its sum of digits gives 4378860864.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4378860869) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6809727 + ... + 6810369.

It is an arithmetic number, because the mean of its divisors is an integer number (65897760).

Almost surely, 2^4378860864 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 4378860864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7380549120).

4378860864 is an abundant number, since it is smaller than the sum of its proper divisors (10382237376).

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

4378860864 is a wasteful number, since it uses less digits than its factorization.

4378860864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1234 (or 1218 counting only the distinct ones).

The product of its (nonzero) digits is 6193152, while the sum is 54.

The square root of 4378860864 is about 66172.9617290929. The cubic root of 4378860864 is about 1636.0141238172.

The spelling of 4378860864 in words is "four billion, three hundred seventy-eight million, eight hundred sixty thousand, eight hundred sixty-four".