83389845530 has 16 divisors (see below), whose sum is σ = 150169589064. Its totient is φ = 33340856640.

The previous prime is 83389845479. The next prime is 83389845563. The reversal of 83389845530 is 3554898338.

It is a Cunningham number, because it is equal to 288773²+1.

It can be written as a sum of positive squares in 4 ways, for example, as 83389845529 + 1 = 288773^2 + 1^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1861961 + ... + 1906220.

Almost surely, 2^83389845530 is an apocalyptic number.

83389845530 is a deficient number, since it is larger than the sum of its proper divisors (66779743534).

83389845530 is a wasteful number, since it uses less digits than its factorization.

83389845530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3770401.

The product of its (nonzero) digits is 12441600, while the sum is 56.

The spelling of 83389845530 in words is "eighty-three billion, three hundred eighty-nine million, eight hundred forty-five thousand, five hundred thirty".