86117886 has 24 divisors (see below), whose sum is σ = 197565264. Its totient is φ = 27017280.

The previous prime is 86117851. The next prime is 86117893. The reversal of 86117886 is 68871168.

It is a Curzon number.

It is a congruent number.

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, 140410 + ... + 141021.

It is an arithmetic number, because the mean of its divisors is an integer number (8231886).

Almost surely, 2^86117886 is an apocalyptic number.

86117886 is an abundant number, since it is smaller than the sum of its proper divisors (111447378).

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

86117886 is a wasteful number, since it uses less digits than its factorization.

86117886 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281456 (or 281453 counting only the distinct ones).

The product of its digits is 129024, while the sum is 45.

The square root of 86117886 is about 9279.9723059932. The cubic root of 86117886 is about 441.6020899692.

The spelling of 86117886 in words is "eighty-six million, one hundred seventeen thousand, eight hundred eighty-six".