86267666 has 4 divisors (see below), whose sum is σ = 129401502. Its totient is φ = 43133832.

The previous prime is 86267651. The next prime is 86267669. The reversal of 86267666 is 66676268.

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

It can be written as a sum of positive squares in only one way, i.e., 58967041 + 27300625 = 7679^2 + 5225^2 .

It is a super-2 number, since 2×86267666² = 14884220394175112, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 86267666.

It is not an unprimeable number, because it can be changed into a prime (86267669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21566915 + ... + 21566918.

Almost surely, 2^86267666 is an apocalyptic number.

86267666 is a deficient number, since it is larger than the sum of its proper divisors (43133836).

86267666 is a wasteful number, since it uses less digits than its factorization.

86267666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43133835.

The product of its digits is 870912, while the sum is 47.

The square root of 86267666 is about 9288.0388672744. The cubic root of 86267666 is about 441.8579595869.

The spelling of 86267666 in words is "eighty-six million, two hundred sixty-seven thousand, six hundred sixty-six".