84217417086 has 128 divisors (see below), whose sum is σ = 190368921600. Its totient is φ = 24619023360.

The previous prime is 84217417061. The next prime is 84217417093. The reversal of 84217417086 is 68071471248.

It is a congruent number.

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, 78780960 + ... + 78782028.

It is an arithmetic number, because the mean of its divisors is an integer number (1487257200).

Almost surely, 2^84217417086 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84217417086, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95184460800).

84217417086 is an abundant number, since it is smaller than the sum of its proper divisors (106151504514).

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

84217417086 is a wasteful number, since it uses less digits than its factorization.

84217417086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1474.

The product of its (nonzero) digits is 602112, while the sum is 48.

The spelling of 84217417086 in words is "eighty-four billion, two hundred seventeen million, four hundred seventeen thousand, eighty-six".