82320093 has 6 divisors (see below), whose sum is σ = 118906814. Its totient is φ = 54880056.

The previous prime is 82320089. The next prime is 82320101. The reversal of 82320093 is 39002328.

It can be written as a sum of positive squares in only one way, i.e., 41641209 + 40678884 = 6453^2 + 6378^2 .

It is not a de Polignac number, because 82320093 - 2² = 82320089 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 (82327093) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4573330 + ... + 4573347.

Almost surely, 2^82320093 is an apocalyptic number.

It is an amenable number.

82320093 is a deficient number, since it is larger than the sum of its proper divisors (36586721).

82320093 is a wasteful number, since it uses less digits than its factorization.

82320093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9146683 (or 9146680 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 82320093 is about 9073.0421028451. The cubic root of 82320093 is about 435.0127146502.

The spelling of 82320093 in words is "eighty-two million, three hundred twenty thousand, ninety-three".