82471200530 has 32 divisors (see below), whose sum is σ = 157443004800. Its totient is φ = 30996110080.

The previous prime is 82471200527. The next prime is 82471200583. The reversal of 82471200530 is 3500217428.

It is a Curzon number.

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, 303116 + ... + 506775.

It is an arithmetic number, because the mean of its divisors is an integer number (4920093900).

Almost surely, 2^82471200530 is an apocalyptic number.

82471200530 is a deficient number, since it is larger than the sum of its proper divisors (74971804270).

82471200530 is a wasteful number, since it uses less digits than its factorization.

82471200530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810514.

The product of its (nonzero) digits is 13440, while the sum is 32.

Adding to 82471200530 its reverse (3500217428), we get a palindrome (85971417958).

The spelling of 82471200530 in words is "eighty-two billion, four hundred seventy-one million, two hundred thousand, five hundred thirty".