82374543163517 has 4 divisors (see below), whose sum is σ = 89863137996576. Its totient is φ = 74885948330460.

The previous prime is 82374543163511. The next prime is 82374543163529. The reversal of 82374543163517 is 71536134547328.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 82374543163517 - 2²⁰ = 82374542114941 is a prime.

It is a super-2 number, since 2×82374543163517² (a number of 29 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 (82374543163511) 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, 3744297416513 + ... + 3744297416534.

It is an arithmetic number, because the mean of its divisors is an integer number (22465784499144).

Almost surely, 2^{82374543163517} is an apocalyptic number.

It is an amenable number.

82374543163517 is a deficient number, since it is larger than the sum of its proper divisors (7488594833059).

82374543163517 is a wasteful number, since it uses less digits than its factorization.

82374543163517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7488594833058.

The product of its digits is 50803200, while the sum is 59.

The spelling of 82374543163517 in words is "eighty-two trillion, three hundred seventy-four billion, five hundred forty-three million, one hundred sixty-three thousand, five hundred seventeen".