82736147377566 has 24 divisors (see below), whose sum is σ = 179276004403704. Its totient is φ = 27576507830640.

The previous prime is 82736147377561. The next prime is 82736147377573. The reversal of 82736147377566 is 66577374163728.

82736147377566 is a `hidden beast` number, since 8 + 2 + 7 + 36 + 1 + 473 + 77 + 56 + 6 = 666.

It is a Smith number, since the sum of its digits (72) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 82736147377494 and 82736147377503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82736147377561) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 183765741 + ... + 184215416.

It is an arithmetic number, because the mean of its divisors is an integer number (7469833516821).

Almost surely, 2^{82736147377566} is an apocalyptic number.

82736147377566 is an abundant number, since it is smaller than the sum of its proper divisors (96539857026138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82736147377566 is a wasteful number, since it uses less digits than its factorization.

82736147377566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367993656 (or 367993653 counting only the distinct ones).

The product of its digits is 1493614080, while the sum is 72.

The spelling of 82736147377566 in words is "eighty-two trillion, seven hundred thirty-six billion, one hundred forty-seven million, three hundred seventy-seven thousand, five hundred sixty-six".