84186766368 has 192 divisors, whose sum is σ = 251655465600. Its totient is φ = 27365990400.

The previous prime is 84186766357. The next prime is 84186766381. The reversal of 84186766368 is 86366768148.

It is a super-2 number, since 2×84186766368² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30054568 + ... + 30057368.

It is an arithmetic number, because the mean of its divisors is an integer number (1310705550).

Almost surely, 2^84186766368 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84186766368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125827732800).

84186766368 is an abundant number, since it is smaller than the sum of its proper divisors (167468699232).

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

84186766368 is a wasteful number, since it uses less digits than its factorization.

84186766368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3672 (or 3658 counting only the distinct ones).

The product of its digits is 55738368, while the sum is 63.

The spelling of 84186766368 in words is "eighty-four billion, one hundred eighty-six million, seven hundred sixty-six thousand, three hundred sixty-eight".