86321793 has 8 divisors (see below), whose sum is σ = 115265056. Its totient is φ = 57463200.

The previous prime is 86321791. The next prime is 86321803. The reversal of 86321793 is 39712368.

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

It is not a de Polignac number, because 86321793 - 2¹ = 86321791 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (86321791) 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, 18748 + ... + 22893.

It is an arithmetic number, because the mean of its divisors is an integer number (14408132).

Almost surely, 2^86321793 is an apocalyptic number.

It is an amenable number.

86321793 is a deficient number, since it is larger than the sum of its proper divisors (28943263).

86321793 is a wasteful number, since it uses less digits than its factorization.

86321793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42335.

The product of its digits is 54432, while the sum is 39.

The square root of 86321793 is about 9290.9522116950. The cubic root of 86321793 is about 441.9503520465.

The spelling of 86321793 in words is "eighty-six million, three hundred twenty-one thousand, seven hundred ninety-three".