86149885 has 8 divisors (see below), whose sum is σ = 103647960. Its totient is φ = 68741184.

The previous prime is 86149867. The next prime is 86149891. The reversal of 86149885 is 58894168.

It can be written as a sum of positive squares in 4 ways, for example, as 12687844 + 73462041 = 3562^2 + 8571^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 86149885 - 2⁷ = 86149757 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20202 + ... + 24091.

It is an arithmetic number, because the mean of its divisors is an integer number (12955995).

Almost surely, 2^86149885 is an apocalyptic number.

It is an amenable number.

86149885 is a deficient number, since it is larger than the sum of its proper divisors (17498075).

86149885 is a wasteful number, since it uses less digits than its factorization.

86149885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44687.

The product of its digits is 552960, while the sum is 49.

The square root of 86149885 is about 9281.6962350639. The cubic root of 86149885 is about 441.6567788617.

The spelling of 86149885 in words is "eighty-six million, one hundred forty-nine thousand, eight hundred eighty-five".