86731711 has 12 divisors (see below), whose sum is σ = 96957000. Its totient is φ = 77504240.

The previous prime is 86731703. The next prime is 86731717. The reversal of 86731711 is 11713768.

It is not a de Polignac number, because 86731711 - 2³ = 86731703 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86731717) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1065 + ... + 13213.

It is an arithmetic number, because the mean of its divisors is an integer number (8079750).

Almost surely, 2^86731711 is an apocalyptic number.

86731711 is a deficient number, since it is larger than the sum of its proper divisors (10225289).

86731711 is a wasteful number, since it uses less digits than its factorization.

86731711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12230 (or 12219 counting only the distinct ones).

The product of its digits is 7056, while the sum is 34.

The square root of 86731711 is about 9312.9861483844. The cubic root of 86731711 is about 442.6488137270.

The spelling of 86731711 in words is "eighty-six million, seven hundred thirty-one thousand, seven hundred eleven".