82518457443 has 16 divisors (see below), whose sum is σ = 110175436800. Its totient is φ = 54936938880.

The previous prime is 82518457429. The next prime is 82518457597. The reversal of 82518457443 is 34475481528.

It is not a de Polignac number, because 82518457443 - 2⁶ = 82518457379 is a prime.

It is a super-4 number, since 4×82518457443⁴ (a number of 45 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (82518456443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11719518 + ... + 11726556.

It is an arithmetic number, because the mean of its divisors is an integer number (6885964800).

Almost surely, 2^82518457443 is an apocalyptic number.

82518457443 is a deficient number, since it is larger than the sum of its proper divisors (27656979357).

82518457443 is a wasteful number, since it uses less digits than its factorization.

82518457443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11842.

The product of its digits is 4300800, while the sum is 51.

The spelling of 82518457443 in words is "eighty-two billion, five hundred eighteen million, four hundred fifty-seven thousand, four hundred forty-three".