86414864 has 60 divisors (see below), whose sum is σ = 180274176. Its totient is φ = 40049856.

The previous prime is 86414849. The next prime is 86414891. The reversal of 86414864 is 46841468.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 680369 + ... + 680495.

Almost surely, 2^86414864 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 86414864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90137088).

86414864 is an abundant number, since it is smaller than the sum of its proper divisors (93859312).

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

86414864 is a wasteful number, since it uses less digits than its factorization.

86414864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244 (or 195 counting only the distinct ones).

The product of its digits is 147456, while the sum is 41.

The square root of 86414864 is about 9295.9595524077. The cubic root of 86414864 is about 442.1091299777.

It can be divided in two parts, 86414 and 864, that added together give a palindrome (87278).

The spelling of 86414864 in words is "eighty-six million, four hundred fourteen thousand, eight hundred sixty-four".