86353566 has 32 divisors (see below), whose sum is σ = 187373088. Its totient is φ = 26373120.

The previous prime is 86353559. The next prime is 86353567. The reversal of 86353566 is 66535368.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86353567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6646 + ... + 14726.

It is an arithmetic number, because the mean of its divisors is an integer number (5855409).

Almost surely, 2^86353566 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86353566, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93686544).

86353566 is an abundant number, since it is smaller than the sum of its proper divisors (101019522).

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

86353566 is a wasteful number, since it uses less digits than its factorization.

86353566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8236.

The product of its digits is 388800, while the sum is 42.

The square root of 86353566 is about 9292.6619437059. The cubic root of 86353566 is about 442.0045692013.

The spelling of 86353566 in words is "eighty-six million, three hundred fifty-three thousand, five hundred sixty-six".