86590071 has 12 divisors (see below), whose sum is σ = 126244872. Its totient is φ = 57186576.

The previous prime is 86590051. The next prime is 86590079. The reversal of 86590071 is 17009568.

It is not a de Polignac number, because 86590071 - 2⁵ = 86590039 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86590079) 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 11 ways as a sum of consecutive naturals, for example, 43996 + ... + 45921.

It is an arithmetic number, because the mean of its divisors is an integer number (10520406).

Almost surely, 2^86590071 is an apocalyptic number.

86590071 is a deficient number, since it is larger than the sum of its proper divisors (39654801).

86590071 is a wasteful number, since it uses less digits than its factorization.

86590071 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90030 (or 90027 counting only the distinct ones).

The product of its (nonzero) digits is 15120, while the sum is 36.

The square root of 86590071 is about 9305.3786059461. The cubic root of 86590071 is about 442.4077218284.

The spelling of 86590071 in words is "eighty-six million, five hundred ninety thousand, seventy-one".