83605250638 has 32 divisors (see below), whose sum is σ = 156462538176. Its totient is φ = 32621522688.

The previous prime is 83605250549. The next prime is 83605250647.

83605250638 is nontrivially palindromic in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3133081 + ... + 3159652.

It is an arithmetic number, because the mean of its divisors is an integer number (4889454318).

Almost surely, 2^83605250638 is an apocalyptic number.

83605250638 is a deficient number, since it is larger than the sum of its proper divisors (72857287538).

83605250638 is a wasteful number, since it uses less digits than its factorization.

83605250638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6292828.

The product of its (nonzero) digits is 1036800, while the sum is 46.

The spelling of 83605250638 in words is "eighty-three billion, six hundred five million, two hundred fifty thousand, six hundred thirty-eight".