217077134470044 has 24 divisors (see below), whose sum is σ = 506906264392080. Its totient is φ = 72302909019264.

The previous prime is 217077134470037. The next prime is 217077134470067. The reversal of 217077134470044 is 440074431770712.

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, 7016959399 + ... + 7016990334.

It is an arithmetic number, because the mean of its divisors is an integer number (21121094349670).

Almost surely, 2^{217077134470044} is an apocalyptic number.

It is an amenable number.

217077134470044 is an abundant number, since it is smaller than the sum of its proper divisors (289829129922036).

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

217077134470044 is a wasteful number, since it uses less digits than its factorization.

217077134470044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14033951029 (or 14033951027 counting only the distinct ones).

The product of its (nonzero) digits is 3687936, while the sum is 51.

The spelling of 217077134470044 in words is "two hundred seventeen trillion, seventy-seven billion, one hundred thirty-four million, four hundred seventy thousand, forty-four".