83488205717 has 12 divisors (see below), whose sum is σ = 97146577440. Its totient is φ = 71540949816.

The previous prime is 83488205711. The next prime is 83488205753. The reversal of 83488205717 is 71750288438.

It is not a de Polignac number, because 83488205717 - 2⁸ = 83488205461 is a prime.

It is a super-2 number, since 2×83488205717² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83488205711) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67313 + ... + 414134.

It is an arithmetic number, because the mean of its divisors is an integer number (8095548120).

Almost surely, 2^83488205717 is an apocalyptic number.

It is an amenable number.

83488205717 is a deficient number, since it is larger than the sum of its proper divisors (13658371723).

83488205717 is a wasteful number, since it uses less digits than its factorization.

83488205717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 485000 (or 484993 counting only the distinct ones).

The product of its (nonzero) digits is 3010560, while the sum is 53.

The spelling of 83488205717 in words is "eighty-three billion, four hundred eighty-eight million, two hundred five thousand, seven hundred seventeen".