86395889 has 8 divisors (see below), whose sum is σ = 90310272. Its totient is φ = 82494720.

The previous prime is 86395879. The next prime is 86395909. The reversal of 86395889 is 98859368.

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 86395889 - 2⁴ = 86395873 is a prime.

It is a super-2 number, since 2×86395889² = 14928499272200642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86395879) 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, 11537 + ... + 17489.

It is an arithmetic number, because the mean of its divisors is an integer number (11288784).

Almost surely, 2^86395889 is an apocalyptic number.

It is an amenable number.

86395889 is a deficient number, since it is larger than the sum of its proper divisors (3914383).

86395889 is a wasteful number, since it uses less digits than its factorization.

86395889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6607.

The product of its digits is 3732480, while the sum is 56.

The square root of 86395889 is about 9294.9388916765. The cubic root of 86395889 is about 442.0767681268.

The spelling of 86395889 in words is "eighty-six million, three hundred ninety-five thousand, eight hundred eighty-nine".