86000257 has 8 divisors (see below), whose sum is σ = 98384832. Its totient is φ = 73640400.

The previous prime is 86000249. The next prime is 86000261. The reversal of 86000257 is 75200068.

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 86000257 - 2³ = 86000249 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86000207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2007 + ... + 13267.

It is an arithmetic number, because the mean of its divisors is an integer number (12298104).

Almost surely, 2^86000257 is an apocalyptic number.

It is an amenable number.

86000257 is a deficient number, since it is larger than the sum of its proper divisors (12384575).

86000257 is a wasteful number, since it uses less digits than its factorization.

86000257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12359.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 86000257 is about 9273.6323519967. The cubic root of 86000257 is about 441.4009359334.

The spelling of 86000257 in words is "eighty-six million, two hundred fifty-seven", and thus it is an aban number.