84698983985 has 16 divisors (see below), whose sum is σ = 126718480512. Its totient is φ = 52799366400.

The previous prime is 84698983981. The next prime is 84698984017. The reversal of 84698983985 is 58938989648.

It is not a de Polignac number, because 84698983985 - 2² = 84698983981 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (77).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (84698983981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 109998296 + ... + 109999065.

It is an arithmetic number, because the mean of its divisors is an integer number (7919905032).

Almost surely, 2^84698983985 is an apocalyptic number.

It is an amenable number.

84698983985 is a deficient number, since it is larger than the sum of its proper divisors (42019496527).

84698983985 is a wasteful number, since it uses less digits than its factorization.

84698983985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219997384.

The product of its digits is 1074954240, while the sum is 77.

The spelling of 84698983985 in words is "eighty-four billion, six hundred ninety-eight million, nine hundred eighty-three thousand, nine hundred eighty-five".