82428527651 has 4 divisors (see below), whose sum is σ = 83825621400. Its totient is φ = 81031433904.

The previous prime is 82428527627. The next prime is 82428527663. The reversal of 82428527651 is 15672582428.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 82428527651 - 2¹⁴ = 82428511267 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 82428527651.

It is not an unprimeable number, because it can be changed into a prime (82428520651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 698546786 + ... + 698546903.

It is an arithmetic number, because the mean of its divisors is an integer number (20956405350).

Almost surely, 2^82428527651 is an apocalyptic number.

82428527651 is a deficient number, since it is larger than the sum of its proper divisors (1397093749).

82428527651 is a wasteful number, since it uses less digits than its factorization.

82428527651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1397093748.

The product of its digits is 2150400, while the sum is 50.

The spelling of 82428527651 in words is "eighty-two billion, four hundred twenty-eight million, five hundred twenty-seven thousand, six hundred fifty-one".