86840084723 has 12 divisors (see below), whose sum is σ = 102235147560. Its totient is φ = 73537555392.

The previous prime is 86840084693. The next prime is 86840084869. The reversal of 86840084723 is 32748004868.

It is not a de Polignac number, because 86840084723 - 2²⁰ = 86839036147 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86840084423) 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, 10672118 + ... + 10680251.

It is an arithmetic number, because the mean of its divisors is an integer number (8519595630).

Almost surely, 2^86840084723 is an apocalyptic number.

86840084723 is a gapful number since it is divisible by the number (83) formed by its first and last digit.

86840084723 is a deficient number, since it is larger than the sum of its proper divisors (15395062837).

86840084723 is a wasteful number, since it uses less digits than its factorization.

86840084723 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21352466 (or 21352459 counting only the distinct ones).

The product of its (nonzero) digits is 2064384, while the sum is 50.

The spelling of 86840084723 in words is "eighty-six billion, eight hundred forty million, eighty-four thousand, seven hundred twenty-three".