4865885664 has 48 divisors (see below), whose sum is σ = 12947940432. Its totient is φ = 1599740928.

The previous prime is 4865885663. The next prime is 4865885723. The reversal of 4865885664 is 4665885684.

It is a tau number, because it is divible by the number of its divisors (48).

It is a junction number, because it is equal to n+sod(n) for n = 4865885598 and 4865885607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4865885663) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 340159 + ... + 354174.

It is an arithmetic number, because the mean of its divisors is an integer number (269748759).

Almost surely, 2^4865885664 is an apocalyptic number.

It is an amenable number.

4865885664 is an abundant number, since it is smaller than the sum of its proper divisors (8082054768).

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

4865885664 is a wasteful number, since it uses less digits than its factorization.

4865885664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694419 (or 694411 counting only the distinct ones).

The product of its digits is 44236800, while the sum is 60.

The square root of 4865885664 is about 69755.9005676222. The cubic root of 4865885664 is about 1694.5483566212.

The spelling of 4865885664 in words is "four billion, eight hundred sixty-five million, eight hundred eighty-five thousand, six hundred sixty-four".