84051863744 has 56 divisors (see below), whose sum is σ = 168580125120. Its totient is φ = 41576177664.

The previous prime is 84051863729. The next prime is 84051863783. The reversal of 84051863744 is 44736815048.

It is a junction number, because it is equal to n+sod(n) for n = 84051863692 and 84051863701.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4685897 + ... + 4703799.

Almost surely, 2^84051863744 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 84051863744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84290062560).

84051863744 is an abundant number, since it is smaller than the sum of its proper divisors (84528261376).

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

84051863744 is a wasteful number, since it uses less digits than its factorization.

84051863744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18697 (or 18687 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 50.

The spelling of 84051863744 in words is "eighty-four billion, fifty-one million, eight hundred sixty-three thousand, seven hundred forty-four".