86047311 has 32 divisors (see below), whose sum is σ = 137018880. Its totient is φ = 47005056.

The previous prime is 86047307. The next prime is 86047337. The reversal of 86047311 is 11374068.

It is a happy number.

It is not a de Polignac number, because 86047311 - 2² = 86047307 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86047391) 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, 44905 + ... + 46781.

It is an arithmetic number, because the mean of its divisors is an integer number (4281840).

Almost surely, 2^86047311 is an apocalyptic number.

86047311 is a deficient number, since it is larger than the sum of its proper divisors (50971569).

86047311 is a wasteful number, since it uses less digits than its factorization.

86047311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1983.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 86047311 is about 9276.1689829369. The cubic root of 86047311 is about 441.4814236496.

The spelling of 86047311 in words is "eighty-six million, forty-seven thousand, three hundred eleven".