84400003536 has 80 divisors (see below), whose sum is σ = 221123615040. Its totient is φ = 27734952960.

The previous prime is 84400003517. The next prime is 84400003603. The reversal of 84400003536 is 63530000448.

It is a junction number, because it is equal to n+sod(n) for n = 84400003497 and 84400003506.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10020735 + ... + 10029153.

It is an arithmetic number, because the mean of its divisors is an integer number (2764045188).

Almost surely, 2^84400003536 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 84400003536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110561807520).

84400003536 is an abundant number, since it is smaller than the sum of its proper divisors (136723611504).

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

84400003536 is a wasteful number, since it uses less digits than its factorization.

84400003536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11364 (or 11358 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

The spelling of 84400003536 in words is "eighty-four billion, four hundred million, three thousand, five hundred thirty-six".