86811319 has 8 divisors (see below), whose sum is σ = 99381248. Its totient is φ = 74283480.

The previous prime is 86811317. The next prime is 86811337. The reversal of 86811319 is 91311868.

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 86811319 - 2¹ = 86811317 is a prime.

It is a super-2 number, since 2×86811319² = 15072410213039522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86811313) 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, 5967 + ... + 14464.

It is an arithmetic number, because the mean of its divisors is an integer number (12422656).

Almost surely, 2^86811319 is an apocalyptic number.

86811319 is a deficient number, since it is larger than the sum of its proper divisors (12569929).

86811319 is a wasteful number, since it uses less digits than its factorization.

86811319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21045.

The product of its digits is 10368, while the sum is 37.

The square root of 86811319 is about 9317.2592000008. The cubic root of 86811319 is about 442.7842029270.

It can be divided in two parts, 8681 and 1319, that added together give a 4-th power (10000 = 10⁴).

The spelling of 86811319 in words is "eighty-six million, eight hundred eleven thousand, three hundred nineteen".