84864915464 has 64 divisors (see below), whose sum is σ = 184046515200. Its totient is φ = 35932723200.

The previous prime is 84864915461. The next prime is 84864915469. The reversal of 84864915464 is 46451946848.

It is not an unprimeable number, because it can be changed into a prime (84864915461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6776969 + ... + 6789479.

It is an arithmetic number, because the mean of its divisors is an integer number (2875726800).

Almost surely, 2^84864915464 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 84864915464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92023257600).

84864915464 is an abundant number, since it is smaller than the sum of its proper divisors (99181599736).

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

84864915464 is a wasteful number, since it uses less digits than its factorization.

84864915464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13974 (or 13970 counting only the distinct ones).

The product of its digits is 26542080, while the sum is 59.

The spelling of 84864915464 in words is "eighty-four billion, eight hundred sixty-four million, nine hundred fifteen thousand, four hundred sixty-four".