82691000455 has 8 divisors (see below), whose sum is σ = 113404800672. Its totient is φ = 56702400288.

The previous prime is 82691000443. The next prime is 82691000459. The reversal of 82691000455 is 55400019628.

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 82691000455 - 2¹¹ = 82690998407 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 (82691000459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1181299972 + ... + 1181300041.

It is an arithmetic number, because the mean of its divisors is an integer number (14175600084).

Almost surely, 2^82691000455 is an apocalyptic number.

82691000455 is a deficient number, since it is larger than the sum of its proper divisors (30713800217).

82691000455 is a wasteful number, since it uses less digits than its factorization.

82691000455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2362600025.

The product of its (nonzero) digits is 86400, while the sum is 40.

The spelling of 82691000455 in words is "eighty-two billion, six hundred ninety-one million, four hundred fifty-five", and thus it is an aban number.