82986140549 has 8 divisors (see below), whose sum is σ = 90204922080. Its totient is φ = 75886677936.

The previous prime is 82986140539. The next prime is 82986140563. The reversal of 82986140549 is 94504168928.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-82986140549 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 82986140494 and 82986140503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82986140539) 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, 29828279 + ... + 29831060.

It is an arithmetic number, because the mean of its divisors is an integer number (11275615260).

Almost surely, 2^82986140549 is an apocalyptic number.

It is an amenable number.

82986140549 is a deficient number, since it is larger than the sum of its proper divisors (7218781531).

82986140549 is a wasteful number, since it uses less digits than its factorization.

82986140549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59659459.

The product of its (nonzero) digits is 4976640, while the sum is 56.

The spelling of 82986140549 in words is "eighty-two billion, nine hundred eighty-six million, one hundred forty thousand, five hundred forty-nine".