83674647638 has 16 divisors (see below), whose sum is σ = 125954062080. Its totient is φ = 41690197800.

The previous prime is 83674647629. The next prime is 83674647659.

83674647638 is nontrivially palindromic in base 10.

It is a congruent number.

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, 653303 + ... + 770813.

It is an arithmetic number, because the mean of its divisors is an integer number (7872128880).

Almost surely, 2^83674647638 is an apocalyptic number.

83674647638 is a deficient number, since it is larger than the sum of its proper divisors (42279414442).

83674647638 is a wasteful number, since it uses less digits than its factorization.

83674647638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118763.

The product of its digits is 97542144, while the sum is 62.

The spelling of 83674647638 in words is "eighty-three billion, six hundred seventy-four million, six hundred forty-seven thousand, six hundred thirty-eight".