980384782517 has 4 divisors (see below), whose sum is σ = 1120439751456. Its totient is φ = 840329813580.

The previous prime is 980384782459. The next prime is 980384782529. The reversal of 980384782517 is 715287483089.

980384782517 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 715287483089 = 83 ⋅8617921483.

It is a cyclic number.

It is not a de Polignac number, because 980384782517 - 2⁸ = 980384782261 is a prime.

It is a super-2 number, since 2×980384782517² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 980384782517.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (980384781517) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70027484459 + ... + 70027484472.

It is an arithmetic number, because the mean of its divisors is an integer number (280109937864).

Almost surely, 2^980384782517 is an apocalyptic number.

It is an amenable number.

980384782517 is a deficient number, since it is larger than the sum of its proper divisors (140054968939).

980384782517 is a wasteful number, since it uses less digits than its factorization.

980384782517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140054968938.

The product of its (nonzero) digits is 27095040, while the sum is 62.

The spelling of 980384782517 in words is "nine hundred eighty billion, three hundred eighty-four million, seven hundred eighty-two thousand, five hundred seventeen".