84663741672 has 64 divisors (see below), whose sum is σ = 243286632000. Its totient is φ = 27248098752.

The previous prime is 84663741667. The next prime is 84663741689. The reversal of 84663741672 is 27614736648.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6751698 + ... + 6764225.

It is an arithmetic number, because the mean of its divisors is an integer number (3801353625).

Almost surely, 2^84663741672 is an apocalyptic number.

It is an amenable number.

84663741672 is an abundant number, since it is smaller than the sum of its proper divisors (158622890328).

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

84663741672 is a wasteful number, since it uses less digits than its factorization.

84663741672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13515967 (or 13515957 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 54.

The spelling of 84663741672 in words is "eighty-four billion, six hundred sixty-three million, seven hundred forty-one thousand, six hundred seventy-two".