86866311 has 32 divisors (see below), whose sum is σ = 142829568. Its totient is φ = 45826560.

The previous prime is 86866303. The next prime is 86866333. The reversal of 86866311 is 11366868.

It is not a de Polignac number, because 86866311 - 2³ = 86866303 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 86866311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86866411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16626 + ... + 21216.

It is an arithmetic number, because the mean of its divisors is an integer number (4463424).

Almost surely, 2^86866311 is an apocalyptic number.

86866311 is a deficient number, since it is larger than the sum of its proper divisors (55963257).

86866311 is a wasteful number, since it uses less digits than its factorization.

86866311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4671.

The product of its digits is 41472, while the sum is 39.

The square root of 86866311 is about 9320.2098152348. The cubic root of 86866311 is about 442.8776794054.

The spelling of 86866311 in words is "eighty-six million, eight hundred sixty-six thousand, three hundred eleven".