86623883 has 4 divisors (see below), whose sum is σ = 87433560. Its totient is φ = 85814208.

The previous prime is 86623871. The next prime is 86623897. The reversal of 86623883 is 38832668.

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

It is a cyclic number.

It is not a de Polignac number, because 86623883 - 2⁸ = 86623627 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86623853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 404678 + ... + 404891.

It is an arithmetic number, because the mean of its divisors is an integer number (21858390).

Almost surely, 2^86623883 is an apocalyptic number.

86623883 is a deficient number, since it is larger than the sum of its proper divisors (809677).

86623883 is a wasteful number, since it uses less digits than its factorization.

86623883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 809676.

The product of its digits is 331776, while the sum is 44.

The square root of 86623883 is about 9307.1952273496. The cubic root of 86623883 is about 442.4652986502.

The spelling of 86623883 in words is "eighty-six million, six hundred twenty-three thousand, eight hundred eighty-three".