86255579 has 4 divisors (see below), whose sum is σ = 86826960. Its totient is φ = 85684200.

The previous prime is 86255563. The next prime is 86255591. The reversal of 86255579 is 97555268.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 86255579 - 2⁴ = 86255563 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86255179) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 285464 + ... + 285765.

It is an arithmetic number, because the mean of its divisors is an integer number (21706740).

Almost surely, 2^86255579 is an apocalyptic number.

86255579 is a deficient number, since it is larger than the sum of its proper divisors (571381).

86255579 is a wasteful number, since it uses less digits than its factorization.

86255579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571380.

The product of its digits is 756000, while the sum is 47.

The square root of 86255579 is about 9287.3881689095. The cubic root of 86255579 is about 441.8373223197.

The spelling of 86255579 in words is "eighty-six million, two hundred fifty-five thousand, five hundred seventy-nine".