84320028847 has 8 divisors (see below), whose sum is σ = 84830294736. Its totient is φ = 83810594112.

The previous prime is 84320028833. The next prime is 84320028851. The reversal of 84320028847 is 74882002348.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 84320028847 - 2²³ = 84311640239 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84320028797 and 84320028806.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84320023847) 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, 3673 + ... + 410674.

It is an arithmetic number, because the mean of its divisors is an integer number (10603786842).

Almost surely, 2^84320028847 is an apocalyptic number.

84320028847 is a deficient number, since it is larger than the sum of its proper divisors (510265889).

84320028847 is a wasteful number, since it uses less digits than its factorization.

84320028847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415577.

The product of its (nonzero) digits is 688128, while the sum is 46.

The spelling of 84320028847 in words is "eighty-four billion, three hundred twenty million, twenty-eight thousand, eight hundred forty-seven".