82047018775 has 24 divisors (see below), whose sum is σ = 105048169344. Its totient is φ = 63503347200.

The previous prime is 82047018769. The next prime is 82047018799. The reversal of 82047018775 is 57781074028.

It is not a de Polignac number, because 82047018775 - 2⁵ = 82047018743 is a prime.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3442299 + ... + 3466051.

It is an arithmetic number, because the mean of its divisors is an integer number (4377007056).

Almost surely, 2^82047018775 is an apocalyptic number.

82047018775 is a deficient number, since it is larger than the sum of its proper divisors (23001150569).

82047018775 is a wasteful number, since it uses less digits than its factorization.

82047018775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28251 (or 28246 counting only the distinct ones).

The product of its (nonzero) digits is 878080, while the sum is 49.

The spelling of 82047018775 in words is "eighty-two billion, forty-seven million, eighteen thousand, seven hundred seventy-five".