84782934786 has 128 divisors (see below), whose sum is σ = 198984231936. Its totient is φ = 23797370880.

The previous prime is 84782934727. The next prime is 84782934791. The reversal of 84782934786 is 68743928748.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 26353050 + ... + 26356266.

It is an arithmetic number, because the mean of its divisors is an integer number (1554564312).

Almost surely, 2^84782934786 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84782934786, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99492115968).

84782934786 is an abundant number, since it is smaller than the sum of its proper divisors (114201297150).

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

84782934786 is a wasteful number, since it uses less digits than its factorization.

84782934786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3616.

The product of its digits is 130056192, while the sum is 66.

The spelling of 84782934786 in words is "eighty-four billion, seven hundred eighty-two million, nine hundred thirty-four thousand, seven hundred eighty-six".