86266791 has 24 divisors (see below), whose sum is σ = 136478160. Its totient is φ = 52183296.

The previous prime is 86266781. The next prime is 86266837. The reversal of 86266791 is 19766268.

It is not a de Polignac number, because 86266791 - 2¹⁸ = 86004647 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86266711) 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 23 ways as a sum of consecutive naturals, for example, 655 + ... + 13151.

It is an arithmetic number, because the mean of its divisors is an integer number (5686590).

Almost surely, 2^86266791 is an apocalyptic number.

86266791 is a deficient number, since it is larger than the sum of its proper divisors (50211369).

86266791 is a wasteful number, since it uses less digits than its factorization.

86266791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12575 (or 12572 counting only the distinct ones).

The product of its digits is 217728, while the sum is 45.

The square root of 86266791 is about 9287.9917635622. The cubic root of 86266791 is about 441.8564656821.

The spelling of 86266791 in words is "eighty-six million, two hundred sixty-six thousand, seven hundred ninety-one".