86043771 has 24 divisors (see below), whose sum is σ = 137891520. Its totient is φ = 51260400.

The previous prime is 86043767. The next prime is 86043779. The reversal of 86043771 is 17734068.

It is not a de Polignac number, because 86043771 - 2² = 86043767 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86043779) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1525 + ... + 13206.

It is an arithmetic number, because the mean of its divisors is an integer number (5745480).

Almost surely, 2^86043771 is an apocalyptic number.

86043771 is a deficient number, since it is larger than the sum of its proper divisors (51847749).

86043771 is a wasteful number, since it uses less digits than its factorization.

86043771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14807 (or 14804 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 86043771 is about 9275.9781694439. The cubic root of 86043771 is about 441.4753693613.

The spelling of 86043771 in words is "eighty-six million, forty-three thousand, seven hundred seventy-one".