86083721 has 8 divisors (see below), whose sum is σ = 88386144. Its totient is φ = 83795040.

The previous prime is 86083709. The next prime is 86083729. The reversal of 86083721 is 12738068.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 86083721 - 2¹⁴ = 86067337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (86083729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9941 + ... + 16461.

It is an arithmetic number, because the mean of its divisors is an integer number (11048268).

Almost surely, 2^86083721 is an apocalyptic number.

It is an amenable number.

86083721 is a deficient number, since it is larger than the sum of its proper divisors (2302423).

86083721 is a wasteful number, since it uses less digits than its factorization.

86083721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6871.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 86083721 is about 9278.1313312542. The cubic root of 86083721 is about 441.5436842508.

The spelling of 86083721 in words is "eighty-six million, eighty-three thousand, seven hundred twenty-one".