86086491 has 16 divisors (see below), whose sum is σ = 118111104. Its totient is φ = 55750464.

The previous prime is 86086489. The next prime is 86086513. The reversal of 86086491 is 19468068.

It is not a de Polignac number, because 86086491 - 2¹ = 86086489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86086391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11740 + ... + 17606.

It is an arithmetic number, because the mean of its divisors is an integer number (7381944).

Almost surely, 2^86086491 is an apocalyptic number.

86086491 is a deficient number, since it is larger than the sum of its proper divisors (32024613).

86086491 is a wasteful number, since it uses less digits than its factorization.

86086491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6010.

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 86086491 is about 9278.2806058019. The cubic root of 86086491 is about 441.5484201942.

The spelling of 86086491 in words is "eighty-six million, eighty-six thousand, four hundred ninety-one".