83217674455080 has 128 divisors (see below), whose sum is σ = 275156472286080. Its totient is φ = 19966002462720.

The previous prime is 83217674455057. The next prime is 83217674455093. The reversal of 83217674455080 is 8055447671238.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 324839449 + ... + 325095528.

It is an arithmetic number, because the mean of its divisors is an integer number (2149659939735).

Almost surely, 2^{83217674455080} is an apocalyptic number.

It is an amenable number.

83217674455080 is an abundant number, since it is smaller than the sum of its proper divisors (191938797831000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83217674455080 is a wasteful number, since it uses less digits than its factorization.

83217674455080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649935099 (or 649935095 counting only the distinct ones).

The product of its (nonzero) digits is 45158400, while the sum is 60.

The spelling of 83217674455080 in words is "eighty-three trillion, two hundred seventeen billion, six hundred seventy-four million, four hundred fifty-five thousand, eighty".