84696835566 has 128 divisors (see below), whose sum is σ = 214146809856. Its totient is φ = 21774896640.

The previous prime is 84696835543. The next prime is 84696835571. The reversal of 84696835566 is 66553869648.

It is a junction number, because it is equal to n+sod(n) for n = 84696835497 and 84696835506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1814071 + ... + 1860173.

It is an arithmetic number, because the mean of its divisors is an integer number (1673021952).

Almost surely, 2^84696835566 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84696835566, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107073404928).

84696835566 is an abundant number, since it is smaller than the sum of its proper divisors (129449974290).

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

84696835566 is a wasteful number, since it uses less digits than its factorization.

84696835566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46246.

The product of its digits is 223948800, while the sum is 66.

The spelling of 84696835566 in words is "eighty-four billion, six hundred ninety-six million, eight hundred thirty-five thousand, five hundred sixty-six".