84286664128 has 28 divisors (see below), whose sum is σ = 167267219440. Its totient is φ = 42140593152.

The previous prime is 84286664089. The next prime is 84286664197. The reversal of 84286664128 is 82146668248.

It is a congruent number.

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, 1254493 + ... + 1319971.

Almost surely, 2^84286664128 is an apocalyptic number.

It is an amenable number.

84286664128 is a deficient number, since it is larger than the sum of its proper divisors (82980555312).

84286664128 is a wasteful number, since it uses less digits than its factorization.

84286664128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85604 (or 85594 counting only the distinct ones).

The product of its digits is 7077888, while the sum is 55.

The spelling of 84286664128 in words is "eighty-four billion, two hundred eighty-six million, six hundred sixty-four thousand, one hundred twenty-eight".