86136386 has 32 divisors (see below), whose sum is σ = 157440000. Its totient is φ = 34521552.

The previous prime is 86136373. The next prime is 86136389. The reversal of 86136386 is 68363168.

It is not an unprimeable number, because it can be changed into a prime (86136389) 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, 18965 + ... + 23063.

It is an arithmetic number, because the mean of its divisors is an integer number (4920000).

Almost surely, 2^86136386 is an apocalyptic number.

86136386 is a deficient number, since it is larger than the sum of its proper divisors (71303614).

86136386 is a wasteful number, since it uses less digits than its factorization.

86136386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4206.

The product of its digits is 124416, while the sum is 41.

The square root of 86136386 is about 9280.9690226829. The cubic root of 86136386 is about 441.6337096250.

The spelling of 86136386 in words is "eighty-six million, one hundred thirty-six thousand, three hundred eighty-six".