82986289557 has 8 divisors (see below), whose sum is σ = 110649794784. Its totient is φ = 55323488688.

The previous prime is 82986289541. The next prime is 82986289571. The reversal of 82986289557 is 75598268928.

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

It is not a de Polignac number, because 82986289557 - 2⁴ = 82986289541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 82986289491 and 82986289500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82986289657) 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, 237798 + ... + 471720.

It is an arithmetic number, because the mean of its divisors is an integer number (13831224348).

Almost surely, 2^82986289557 is an apocalyptic number.

It is an amenable number.

82986289557 is a deficient number, since it is larger than the sum of its proper divisors (27663505227).

82986289557 is a wasteful number, since it uses less digits than its factorization.

82986289557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352179.

The product of its digits is 174182400, while the sum is 69.

The spelling of 82986289557 in words is "eighty-two billion, nine hundred eighty-six million, two hundred eighty-nine thousand, five hundred fifty-seven".