82545813786788 has 12 divisors (see below), whose sum is σ = 157587462683952. Its totient is φ = 37520824448520.

The previous prime is 82545813786781. The next prime is 82545813786809. The reversal of 82545813786788 is 88768731854528.

It is a super-2 number, since 2×82545813786788² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (82545813786781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 938020611170 + ... + 938020611257.

It is an arithmetic number, because the mean of its divisors is an integer number (13132288556996).

Almost surely, 2^{82545813786788} is an apocalyptic number.

It is an amenable number.

82545813786788 is a deficient number, since it is larger than the sum of its proper divisors (75041648897164).

82545813786788 is a wasteful number, since it uses less digits than its factorization.

82545813786788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1876041222442 (or 1876041222440 counting only the distinct ones).

The product of its digits is 5780275200, while the sum is 80.

The spelling of 82545813786788 in words is "eighty-two trillion, five hundred forty-five billion, eight hundred thirteen million, seven hundred eighty-six thousand, seven hundred eighty-eight".