84985605986 has 8 divisors (see below), whose sum is σ = 129273879744. Its totient is φ = 41894312740.

The previous prime is 84985605979. The next prime is 84985605997. The reversal of 84985605986 is 68950658948.

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

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 3 ways as a sum of consecutive naturals, for example, 299244950 + ... + 299245233.

It is an arithmetic number, because the mean of its divisors is an integer number (16159234968).

Almost surely, 2^84985605986 is an apocalyptic number.

84985605986 is a deficient number, since it is larger than the sum of its proper divisors (44288273758).

84985605986 is a wasteful number, since it uses less digits than its factorization.

84985605986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 598490256.

The product of its (nonzero) digits is 149299200, while the sum is 68.

The spelling of 84985605986 in words is "eighty-four billion, nine hundred eighty-five million, six hundred five thousand, nine hundred eighty-six".