83554645538 has 64 divisors (see below), whose sum is σ = 158932730880. Its totient is φ = 32066191872.

The previous prime is 83554645523. The next prime is 83554645543.

83554645538 is nontrivially palindromic in base 10.

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 31 ways as a sum of consecutive naturals, for example, 809831 + ... + 907157.

It is an arithmetic number, because the mean of its divisors is an integer number (2483323920).

Almost surely, 2^83554645538 is an apocalyptic number.

83554645538 is a deficient number, since it is larger than the sum of its proper divisors (75378085342).

83554645538 is a wasteful number, since it uses less digits than its factorization.

83554645538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97491.

The product of its digits is 34560000, while the sum is 56.

The spelling of 83554645538 in words is "eighty-three billion, five hundred fifty-four million, six hundred forty-five thousand, five hundred thirty-eight".