83320993801 has 4 divisors (see below), whose sum is σ = 85353213204. Its totient is φ = 81288774400.

The previous prime is 83320993781. The next prime is 83320993807. The reversal of 83320993801 is 10839902338.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 32842138176 + 50478855625 = 181224^2 + 224675^2 .

It is a cyclic number.

It is not a de Polignac number, because 83320993801 - 2⁷ = 83320993673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83320993807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1016109640 + ... + 1016109721.

It is an arithmetic number, because the mean of its divisors is an integer number (21338303301).

Almost surely, 2^83320993801 is an apocalyptic number.

It is an amenable number.

83320993801 is a deficient number, since it is larger than the sum of its proper divisors (2032219403).

83320993801 is a wasteful number, since it uses less digits than its factorization.

83320993801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2032219402.

The product of its (nonzero) digits is 279936, while the sum is 46.

The spelling of 83320993801 in words is "eighty-three billion, three hundred twenty million, nine hundred ninety-three thousand, eight hundred one".