82705047264555 has 16 divisors (see below), whose sum is σ = 133922389789440. Its totient is φ = 43577920485728.

The previous prime is 82705047264509. The next prime is 82705047264583. The reversal of 82705047264555 is 55546274050728.

It is a happy number.

82705047264555 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 82705047264555 - 2⁴⁵ = 47520675175723 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33214877175 + ... + 33214879664.

It is an arithmetic number, because the mean of its divisors is an integer number (8370149361840).

Almost surely, 2^{82705047264555} is an apocalyptic number.

82705047264555 is a deficient number, since it is larger than the sum of its proper divisors (51217342524885).

82705047264555 is a wasteful number, since it uses less digits than its factorization.

82705047264555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66429756930.

The product of its (nonzero) digits is 94080000, while the sum is 60.

The spelling of 82705047264555 in words is "eighty-two trillion, seven hundred five billion, forty-seven million, two hundred sixty-four thousand, five hundred fifty-five".