82662560816884 has 12 divisors (see below), whose sum is σ = 148187761464708. Its totient is φ = 40323200398400.

The previous prime is 82662560816881. The next prime is 82662560816903. The reversal of 82662560816884 is 48861806526628.

It can be written as a sum of positive squares in 2 ways, for example, as 14788854714384 + 67873706102500 = 3845628^2 + 8238550^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82662560816881) 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, 252020002327 + ... + 252020002654.

It is an arithmetic number, because the mean of its divisors is an integer number (12348980122059).

Almost surely, 2^{82662560816884} is an apocalyptic number.

It is an amenable number.

82662560816884 is a deficient number, since it is larger than the sum of its proper divisors (65525200647824).

82662560816884 is a wasteful number, since it uses less digits than its factorization.

82662560816884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504040005026 (or 504040005024 counting only the distinct ones).

The product of its (nonzero) digits is 424673280, while the sum is 70.

The spelling of 82662560816884 in words is "eighty-two trillion, six hundred sixty-two billion, five hundred sixty million, eight hundred sixteen thousand, eight hundred eighty-four".