84401802738 has 192 divisors, whose sum is σ = 212772096000. Its totient is φ = 24593738400.

The previous prime is 84401802677. The next prime is 84401802787. The reversal of 84401802738 is 83720810448.

84401802738 is a `hidden beast` number, since 8 + 440 + 180 + 27 + 3 + 8 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 84401802693 and 84401802702.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 113595595 + ... + 113596337.

It is an arithmetic number, because the mean of its divisors is an integer number (1108188000).

Almost surely, 2^84401802738 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84401802738, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106386048000).

84401802738 is an abundant number, since it is smaller than the sum of its proper divisors (128370293262).

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

84401802738 is a wasteful number, since it uses less digits than its factorization.

84401802738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1026 (or 989 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 45.

The spelling of 84401802738 in words is "eighty-four billion, four hundred one million, eight hundred two thousand, seven hundred thirty-eight".