84261892188 has 12 divisors (see below), whose sum is σ = 196611081800. Its totient is φ = 28087297392.

The previous prime is 84261892163. The next prime is 84261892193. The reversal of 84261892188 is 88129816248.

It is a tau number, because it is divible by the number of its divisors (12).

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, 3510912163 + ... + 3510912186.

Almost surely, 2^84261892188 is an apocalyptic number.

It is an amenable number.

84261892188 is an abundant number, since it is smaller than the sum of its proper divisors (112349189612).

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

84261892188 is a wasteful number, since it uses less digits than its factorization.

84261892188 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7021824356 (or 7021824354 counting only the distinct ones).

The product of its digits is 3538944, while the sum is 57.

The spelling of 84261892188 in words is "eighty-four billion, two hundred sixty-one million, eight hundred ninety-two thousand, one hundred eighty-eight".