84923891712 has 360 divisors, whose sum is σ = 274373032752. Its totient is φ = 25087180800.

The previous prime is 84923891651. The next prime is 84923891713. The reversal of 84923891712 is 21719832948.

84923891712 is a `hidden beast` number, since 8 + 4 + 92 + 389 + 171 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84923891713) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66502018 + ... + 66503294.

Almost surely, 2^84923891712 is an apocalyptic number.

84923891712 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84923891712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137186516376).

84923891712 is an abundant number, since it is smaller than the sum of its proper divisors (189449141040).

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

84923891712 is a wasteful number, since it uses less digits than its factorization.

84923891712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1363 (or 1334 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 54.

The spelling of 84923891712 in words is "eighty-four billion, nine hundred twenty-three million, eight hundred ninety-one thousand, seven hundred twelve".