84320028879 has 8 divisors (see below), whose sum is σ = 112484934912. Its totient is φ = 56184237720.

The previous prime is 84320028851. The next prime is 84320028913. The reversal of 84320028879 is 97882002348.

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

It is not a de Polignac number, because 84320028879 - 2³² = 80025061583 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84320028809) 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, 7271959 + ... + 7283544.

It is an arithmetic number, because the mean of its divisors is an integer number (14060616864).

Almost surely, 2^84320028879 is an apocalyptic number.

84320028879 is a deficient number, since it is larger than the sum of its proper divisors (28164906033).

84320028879 is a wasteful number, since it uses less digits than its factorization.

84320028879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14557437.

The product of its (nonzero) digits is 1548288, while the sum is 51.

The spelling of 84320028879 in words is "eighty-four billion, three hundred twenty million, twenty-eight thousand, eight hundred seventy-nine".