82520287435731 has 16 divisors (see below), whose sum is σ = 116500779771264. Its totient is φ = 51776746164864.

The previous prime is 82520287435681. The next prime is 82520287435759. The reversal of 82520287435731 is 13753478202528.

It is not a de Polignac number, because 82520287435731 - 2¹⁴ = 82520287419347 is a prime.

It is a super-2 number, since 2×82520287435731² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (82520287435031) 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 15 ways as a sum of consecutive naturals, for example, 6883761 + ... + 14574866.

It is an arithmetic number, because the mean of its divisors is an integer number (7281298735704).

Almost surely, 2^{82520287435731} is an apocalyptic number.

82520287435731 is a deficient number, since it is larger than the sum of its proper divisors (33980492335533).

82520287435731 is a wasteful number, since it uses less digits than its factorization.

82520287435731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21534050.

The product of its (nonzero) digits is 22579200, while the sum is 57.

The spelling of 82520287435731 in words is "eighty-two trillion, five hundred twenty billion, two hundred eighty-seven million, four hundred thirty-five thousand, seven hundred thirty-one".