86108623 has 4 divisors (see below), whose sum is σ = 87733368. Its totient is φ = 84483880.

The previous prime is 86108611. The next prime is 86108639. The reversal of 86108623 is 32680168.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86108623 is a prime.

It is a super-2 number, since 2×86108623² = 14829389909912258, 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 (86108023) 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, 812293 + ... + 812398.

It is an arithmetic number, because the mean of its divisors is an integer number (21933342).

Almost surely, 2^86108623 is an apocalyptic number.

86108623 is a deficient number, since it is larger than the sum of its proper divisors (1624745).

86108623 is a wasteful number, since it uses less digits than its factorization.

86108623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1624744.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 86108623 is about 9279.4732070307. The cubic root of 86108623 is about 441.5862562208.

The spelling of 86108623 in words is "eighty-six million, one hundred eight thousand, six hundred twenty-three".