86359878 has 48 divisors (see below), whose sum is σ = 210959280. Its totient is φ = 26167680.

The previous prime is 86359853. The next prime is 86359909. The reversal of 86359878 is 87895368.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 75 + ... + 13142.

It is an arithmetic number, because the mean of its divisors is an integer number (4394985).

Almost surely, 2^86359878 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86359878, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105479640).

86359878 is an abundant number, since it is smaller than the sum of its proper divisors (124599402).

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

86359878 is a wasteful number, since it uses less digits than its factorization.

86359878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13250 (or 13233 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 54.

The square root of 86359878 is about 9293.0015603141. The cubic root of 86359878 is about 442.0153383565.

The spelling of 86359878 in words is "eighty-six million, three hundred fifty-nine thousand, eight hundred seventy-eight".