82480451621854 has 24 divisors (see below), whose sum is σ = 146451304125000. Its totient is φ = 34607182497360.

The previous prime is 82480451621839. The next prime is 82480451621857. The reversal of 82480451621854 is 45812615408428.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82480451621857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13108778104 + ... + 13108784395.

It is an arithmetic number, because the mean of its divisors is an integer number (6102137671875).

Almost surely, 2^{82480451621854} is an apocalyptic number.

82480451621854 is a deficient number, since it is larger than the sum of its proper divisors (63970852503146).

82480451621854 is a wasteful number, since it uses less digits than its factorization.

82480451621854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26217562536 (or 26217562525 counting only the distinct ones).

The product of its (nonzero) digits is 19660800, while the sum is 58.

The spelling of 82480451621854 in words is "eighty-two trillion, four hundred eighty billion, four hundred fifty-one million, six hundred twenty-one thousand, eight hundred fifty-four".