83845311473 has 32 divisors (see below), whose sum is σ = 108272194560. Its totient is φ = 63003447360.

The previous prime is 83845311457. The next prime is 83845311479. The reversal of 83845311473 is 37411354838.

It is a happy number.

It is not a de Polignac number, because 83845311473 - 2⁴ = 83845311457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83845311479) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1823990 + ... + 1869392.

It is an arithmetic number, because the mean of its divisors is an integer number (3383506080).

Almost surely, 2^83845311473 is an apocalyptic number.

It is an amenable number.

83845311473 is a deficient number, since it is larger than the sum of its proper divisors (24426883087).

83845311473 is a wasteful number, since it uses less digits than its factorization.

83845311473 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46277.

The product of its digits is 967680, while the sum is 47.

The spelling of 83845311473 in words is "eighty-three billion, eight hundred forty-five million, three hundred eleven thousand, four hundred seventy-three".