82577257297786 has 8 divisors (see below), whose sum is σ = 123870191266944. Its totient is φ = 41287193542140.

The previous prime is 82577257297781. The next prime is 82577257297819. The reversal of 82577257297786 is 68779275277528.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (82577257297781) 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 3 ways as a sum of consecutive naturals, for example, 717481450 + ... + 717596533.

It is an arithmetic number, because the mean of its divisors is an integer number (15483773908368).

Almost surely, 2^{82577257297786} is an apocalyptic number.

82577257297786 is a deficient number, since it is larger than the sum of its proper divisors (41292933969158).

82577257297786 is a wasteful number, since it uses less digits than its factorization.

82577257297786 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1435106756.

The product of its digits is 11616998400, while the sum is 82.

The spelling of 82577257297786 in words is "eighty-two trillion, five hundred seventy-seven billion, two hundred fifty-seven million, two hundred ninety-seven thousand, seven hundred eighty-six".