83273172847 has 4 divisors (see below), whose sum is σ = 83399536440. Its totient is φ = 83146809256.

The previous prime is 83273172839. The next prime is 83273172883. The reversal of 83273172847 is 74827137238.

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 83273172847 - 2³ = 83273172839 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 83273172794 and 83273172803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83273572847) 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, 63180808 + ... + 63182125.

It is an arithmetic number, because the mean of its divisors is an integer number (20849884110).

Almost surely, 2^83273172847 is an apocalyptic number.

83273172847 is a deficient number, since it is larger than the sum of its proper divisors (126363593).

83273172847 is a wasteful number, since it uses less digits than its factorization.

83273172847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126363592.

The product of its digits is 3161088, while the sum is 52.

The spelling of 83273172847 in words is "eighty-three billion, two hundred seventy-three million, one hundred seventy-two thousand, eight hundred forty-seven".