82557755552499 has 4 divisors (see below), whose sum is σ = 110077007403336. Its totient is φ = 55038503701664.

The previous prime is 82557755552497. The next prime is 82557755552581. The reversal of 82557755552499 is 99425555775528.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 82557755552499 - 2¹ = 82557755552497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82557755552497) 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, 13759625925414 + ... + 13759625925419.

It is an arithmetic number, because the mean of its divisors is an integer number (27519251850834).

Almost surely, 2^{82557755552499} is an apocalyptic number.

82557755552499 is a deficient number, since it is larger than the sum of its proper divisors (27519251850837).

82557755552499 is a wasteful number, since it uses less digits than its factorization.

82557755552499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27519251850836.

The product of its digits is 7938000000, while the sum is 78.

The spelling of 82557755552499 in words is "eighty-two trillion, five hundred fifty-seven billion, seven hundred fifty-five million, five hundred fifty-two thousand, four hundred ninety-nine".