86959422 has 48 divisors (see below), whose sum is σ = 206219520. Its totient is φ = 26264400.

The previous prime is 86959351. The next prime is 86959423. The reversal of 86959422 is 22495968.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86959423) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84829 + ... + 85847.

It is an arithmetic number, because the mean of its divisors is an integer number (4296240).

Almost surely, 2^86959422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86959422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (103109760).

86959422 is an abundant number, since it is smaller than the sum of its proper divisors (119260098).

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

86959422 is a wasteful number, since it uses less digits than its factorization.

86959422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1469 (or 1466 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 86959422 is about 9325.2035902708. The cubic root of 86959422 is about 443.0358613985.

The spelling of 86959422 in words is "eighty-six million, nine hundred fifty-nine thousand, four hundred twenty-two".