86719613 has 8 divisors (see below), whose sum is σ = 89387136. Its totient is φ = 84092400.

The previous prime is 86719609. The next prime is 86719627. The reversal of 86719613 is 31691768.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 86719613 - 2² = 86719609 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86719663) 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, 5681 + ... + 14342.

It is an arithmetic number, because the mean of its divisors is an integer number (11173392).

Almost surely, 2^86719613 is an apocalyptic number.

It is an amenable number.

86719613 is a deficient number, since it is larger than the sum of its proper divisors (2667523).

86719613 is a wasteful number, since it uses less digits than its factorization.

86719613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20155.

The product of its digits is 54432, while the sum is 41.

The square root of 86719613 is about 9312.3366025934. The cubic root of 86719613 is about 442.6282314268.

The spelling of 86719613 in words is "eighty-six million, seven hundred nineteen thousand, six hundred thirteen".