83437273120556 has 12 divisors (see below), whose sum is σ = 146015292337992. Its totient is φ = 41718618166848.

The previous prime is 83437273120529. The next prime is 83437273120571. The reversal of 83437273120556 is 65502137273438.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13689476 + ... + 18822228.

It is an arithmetic number, because the mean of its divisors is an integer number (12167941028166).

Almost surely, 2^{83437273120556} is an apocalyptic number.

It is an amenable number.

83437273120556 is a deficient number, since it is larger than the sum of its proper divisors (62578019217436).

83437273120556 is a wasteful number, since it uses less digits than its factorization.

83437273120556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9196720 (or 9196718 counting only the distinct ones).

The product of its (nonzero) digits is 25401600, while the sum is 56.

The spelling of 83437273120556 in words is "eighty-three trillion, four hundred thirty-seven billion, two hundred seventy-three million, one hundred twenty thousand, five hundred fifty-six".