86255661 has 8 divisors (see below), whose sum is σ = 115074304. Its totient is φ = 57470400.

The previous prime is 86255651. The next prime is 86255707. The reversal of 86255661 is 16655268.

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

It is not a de Polignac number, because 86255661 - 2⁹ = 86255149 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86255651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1516 + ... + 13221.

It is an arithmetic number, because the mean of its divisors is an integer number (14384288).

Almost surely, 2^86255661 is an apocalyptic number.

It is an amenable number.

86255661 is a deficient number, since it is larger than the sum of its proper divisors (28818643).

86255661 is a wasteful number, since it uses less digits than its factorization.

86255661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16691.

The product of its digits is 86400, while the sum is 39.

The square root of 86255661 is about 9287.3925834973. The cubic root of 86255661 is about 441.8374623325.

The spelling of 86255661 in words is "eighty-six million, two hundred fifty-five thousand, six hundred sixty-one".