84807928018 has 8 divisors (see below), whose sum is σ = 138776609520. Its totient is φ = 38549058180.

The previous prime is 84807927979. The next prime is 84807928069. The reversal of 84807928018 is 81082970848.

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

It is a self number, because there is not a number n which added to its sum of digits gives 84807928018.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1927452888 + ... + 1927452931.

It is an arithmetic number, because the mean of its divisors is an integer number (17347076190).

Almost surely, 2^84807928018 is an apocalyptic number.

84807928018 is a deficient number, since it is larger than the sum of its proper divisors (53968681502).

84807928018 is a wasteful number, since it uses less digits than its factorization.

84807928018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3854905832.

The product of its (nonzero) digits is 2064384, while the sum is 55.

The spelling of 84807928018 in words is "eighty-four billion, eight hundred seven million, nine hundred twenty-eight thousand, eighteen".