83608889807 has 4 divisors (see below), whose sum is σ = 84162591216. Its totient is φ = 83055188400.

The previous prime is 83608889801. The next prime is 83608889809. The reversal of 83608889807 is 70898880638.

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

It is a cyclic number.

It is not a de Polignac number, because 83608889807 - 2³² = 79313922511 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 (83608889801) 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, 276850478 + ... + 276850779.

It is an arithmetic number, because the mean of its divisors is an integer number (21040647804).

Almost surely, 2^83608889807 is an apocalyptic number.

83608889807 is a deficient number, since it is larger than the sum of its proper divisors (553701409).

83608889807 is a wasteful number, since it uses less digits than its factorization.

83608889807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553701408.

The product of its (nonzero) digits is 37158912, while the sum is 65.

The spelling of 83608889807 in words is "eighty-three billion, six hundred eight million, eight hundred eighty-nine thousand, eight hundred seven".