82520287435730 has 32 divisors (see below), whose sum is σ = 149120360553600. Its totient is φ = 32878459116160.

The previous prime is 82520287435681. The next prime is 82520287435759. The reversal of 82520287435730 is 3753478202528.

82520287435730 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2143907 + ... + 13024473.

It is an arithmetic number, because the mean of its divisors is an integer number (4660011267300).

Almost surely, 2^{82520287435730} is an apocalyptic number.

82520287435730 is a deficient number, since it is larger than the sum of its proper divisors (66600073117870).

82520287435730 is a wasteful number, since it uses less digits than its factorization.

82520287435730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10883554.

The product of its (nonzero) digits is 22579200, while the sum is 56.

The spelling of 82520287435730 in words is "eighty-two trillion, five hundred twenty billion, two hundred eighty-seven million, four hundred thirty-five thousand, seven hundred thirty".