86329859 has 16 divisors (see below), whose sum is σ = 113965056. Its totient is φ = 63312000.

The previous prime is 86329849. The next prime is 86329861. The reversal of 86329859 is 95892368.

It is a cyclic number.

It is not a de Polignac number, because 86329859 - 2¹² = 86325763 is a prime.

It is a super-5 number, since 5×86329859⁵ (a number of 41 digits) contains 55555 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86329829) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31667 + ... + 34284.

It is an arithmetic number, because the mean of its divisors is an integer number (7122816).

Almost surely, 2^86329859 is an apocalyptic number.

86329859 is a deficient number, since it is larger than the sum of its proper divisors (27635197).

86329859 is a wasteful number, since it uses less digits than its factorization.

86329859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65986.

The product of its digits is 933120, while the sum is 50.

The square root of 86329859 is about 9291.3862797755. The cubic root of 86329859 is about 441.9641170545.

The spelling of 86329859 in words is "eighty-six million, three hundred twenty-nine thousand, eight hundred fifty-nine".