84985393992 has 16 divisors (see below), whose sum is σ = 212463485040. Its totient is φ = 28328464656.

The previous prime is 84985393907. The next prime is 84985393993. The reversal of 84985393992 is 29939358948.

It is not an unprimeable number, because it can be changed into a prime (84985393993) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1770529018 + ... + 1770529065.

It is an arithmetic number, because the mean of its divisors is an integer number (13278967815).

Almost surely, 2^84985393992 is an apocalyptic number.

It is an amenable number.

84985393992 is an abundant number, since it is smaller than the sum of its proper divisors (127478091048).

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

84985393992 is a wasteful number, since it uses less digits than its factorization.

84985393992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3541058092 (or 3541058088 counting only the distinct ones).

The product of its digits is 151165440, while the sum is 69.

The spelling of 84985393992 in words is "eighty-four billion, nine hundred eighty-five million, three hundred ninety-three thousand, nine hundred ninety-two".