86631266 has 8 divisors (see below), whose sum is σ = 131161680. Its totient is φ = 42910708.

The previous prime is 86631257. The next prime is 86631277. The reversal of 86631266 is 66213668.

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

It is a Curzon number.

It is an unprimeable number.

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, 202196 + ... + 202623.

It is an arithmetic number, because the mean of its divisors is an integer number (16395210).

Almost surely, 2^86631266 is an apocalyptic number.

86631266 is a deficient number, since it is larger than the sum of its proper divisors (44530414).

86631266 is a wasteful number, since it uses less digits than its factorization.

86631266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404928.

The product of its digits is 62208, while the sum is 38.

The square root of 86631266 is about 9307.5918475189. The cubic root of 86631266 is about 442.4778688113.

The spelling of 86631266 in words is "eighty-six million, six hundred thirty-one thousand, two hundred sixty-six".