86623263 has 20 divisors (see below), whose sum is σ = 131047840. Its totient is φ = 57013632.

The previous prime is 86623259. The next prime is 86623289. The reversal of 86623263 is 36232668.

86623263 is a `hidden beast` number, since 8 + 6 + 623 + 26 + 3 = 666.

It is not a de Polignac number, because 86623263 - 2² = 86623259 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 (86623463) 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 19 ways as a sum of consecutive naturals, for example, 370 + ... + 13167.

It is an arithmetic number, because the mean of its divisors is an integer number (6552392).

Almost surely, 2^86623263 is an apocalyptic number.

86623263 is a deficient number, since it is larger than the sum of its proper divisors (44424577).

86623263 is a wasteful number, since it uses less digits than its factorization.

86623263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13628 (or 13619 counting only the distinct ones).

The product of its digits is 62208, while the sum is 36.

The square root of 86623263 is about 9307.1619197261. The cubic root of 86623263 is about 442.4642430170.

The spelling of 86623263 in words is "eighty-six million, six hundred twenty-three thousand, two hundred sixty-three".