82051310989 has 8 divisors (see below), whose sum is σ = 84729756320. Its totient is φ = 79407878256.

The previous prime is 82051310987. The next prime is 82051311031. The reversal of 82051310989 is 98901315028.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 82051310989 - 2¹ = 82051310987 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82051310981) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8748387 + ... + 8757760.

It is an arithmetic number, because the mean of its divisors is an integer number (10591219540).

Almost surely, 2^82051310989 is an apocalyptic number.

It is an amenable number.

82051310989 is a deficient number, since it is larger than the sum of its proper divisors (2678445331).

82051310989 is a wasteful number, since it uses less digits than its factorization.

82051310989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17506299.

The product of its (nonzero) digits is 155520, while the sum is 46.

The spelling of 82051310989 in words is "eighty-two billion, fifty-one million, three hundred ten thousand, nine hundred eighty-nine".