83472083705 has 4 divisors (see below), whose sum is σ = 100166500452. Its totient is φ = 66777666960.

The previous prime is 83472083701. The next prime is 83472083813. The reversal of 83472083705 is 50738027438.

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 64278475024 + 19193608681 = 253532^2 + 138541^2 .

It is not a de Polignac number, because 83472083705 - 2² = 83472083701 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 83472083705.

It is not an unprimeable number, because it can be changed into a prime (83472083701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8347208366 + ... + 8347208375.

It is an arithmetic number, because the mean of its divisors is an integer number (25041625113).

Almost surely, 2^83472083705 is an apocalyptic number.

It is an amenable number.

83472083705 is a deficient number, since it is larger than the sum of its proper divisors (16694416747).

83472083705 is a wasteful number, since it uses less digits than its factorization.

83472083705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16694416746.

The product of its (nonzero) digits is 1128960, while the sum is 47.

The spelling of 83472083705 in words is "eighty-three billion, four hundred seventy-two million, eighty-three thousand, seven hundred five".