82781565058059 has 64 divisors (see below), whose sum is σ = 132066649571328. Its totient is φ = 45126163756800.

The previous prime is 82781565058057. The next prime is 82781565058061. The reversal of 82781565058059 is 95085056518728.

It is an interprime number because it is at equal distance from previous prime (82781565058057) and next prime (82781565058061).

It is not a de Polignac number, because 82781565058059 - 2¹ = 82781565058057 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 82781565057984 and 82781565058002.

It is not an unprimeable number, because it can be changed into a prime (82781565058057) 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 63 ways as a sum of consecutive naturals, for example, 309685767 + ... + 309952959.

It is an arithmetic number, because the mean of its divisors is an integer number (2063541399552).

Almost surely, 2^{82781565058059} is an apocalyptic number.

82781565058059 is a deficient number, since it is larger than the sum of its proper divisors (49285084513269).

82781565058059 is a wasteful number, since it uses less digits than its factorization.

82781565058059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 274008.

The product of its (nonzero) digits is 241920000, while the sum is 69.

The spelling of 82781565058059 in words is "eighty-two trillion, seven hundred eighty-one billion, five hundred sixty-five million, fifty-eight thousand, fifty-nine".