64848446784 has 84 divisors (see below), whose sum is σ = 202774235040. Its totient is φ = 19651042560.

The previous prime is 64848446731. The next prime is 64848446797. The reversal of 64848446784 is 48764484846.

64848446784 is a `hidden beast` number, since 6 + 48 + 484 + 46 + 78 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5111124 + ... + 5123795.

Almost surely, 2^64848446784 is an apocalyptic number.

64848446784 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

64848446784 is an abundant number, since it is smaller than the sum of its proper divisors (137925788256).

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

64848446784 is a wasteful number, since it uses less digits than its factorization.

64848446784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10234948 (or 10234935 counting only the distinct ones).

The product of its digits is 132120576, while the sum is 63.

The spelling of 64848446784 in words is "sixty-four billion, eight hundred forty-eight million, four hundred forty-six thousand, seven hundred eighty-four".