6448858085 has 16 divisors (see below), whose sum is σ = 7965085440. Its totient is φ = 5010258240.

The previous prime is 6448858079. The next prime is 6448858103. The reversal of 6448858085 is 5808588446.

It is not a de Polignac number, because 6448858085 - 2⁴ = 6448858069 is a prime.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 6448858085.

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, 109727 + ... + 157916.

It is an arithmetic number, because the mean of its divisors is an integer number (497817840).

Almost surely, 2^6448858085 is an apocalyptic number.

It is an amenable number.

6448858085 is a deficient number, since it is larger than the sum of its proper divisors (1516227355).

6448858085 is a wasteful number, since it uses less digits than its factorization.

6448858085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267788.

The product of its (nonzero) digits is 9830400, while the sum is 56.

The square root of 6448858085 is about 80304.7824540980. The cubic root of 6448858085 is about 1861.3481270665.

The spelling of 6448858085 in words is "six billion, four hundred forty-eight million, eight hundred fifty-eight thousand, eighty-five".