4878870864 has 80 divisors (see below), whose sum is σ = 14424410112. Its totient is φ = 1392015744.

The previous prime is 4878870827. The next prime is 4878870881. The reversal of 4878870864 is 4680788784.

It is a junction number, because it is equal to n+sod(n) for n = 4878870798 and 4878870807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 239877 + ... + 259419.

Almost surely, 2^4878870864 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 4878870864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7212205056).

4878870864 is an abundant number, since it is smaller than the sum of its proper divisors (9545539248).

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

4878870864 is a wasteful number, since it uses less digits than its factorization.

4878870864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20304 (or 20298 counting only the distinct ones).

The product of its (nonzero) digits is 19267584, while the sum is 60.

The square root of 4878870864 is about 69848.9145513372. The cubic root of 4878870864 is about 1696.0543863092.

The spelling of 4878870864 in words is "four billion, eight hundred seventy-eight million, eight hundred seventy thousand, eight hundred sixty-four".