82387934868 has 24 divisors (see below), whose sum is σ = 192247507872. Its totient is φ = 27461360224.

The previous prime is 82387934791. The next prime is 82387934971. The reversal of 82387934868 is 86843978328.

It is a junction number, because it is equal to n+sod(n) for n = 82387934799 and 82387934808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127246 + ... + 425402.

It is an arithmetic number, because the mean of its divisors is an integer number (8010312828).

Almost surely, 2^82387934868 is an apocalyptic number.

It is an amenable number.

82387934868 is an abundant number, since it is smaller than the sum of its proper divisors (109859573004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82387934868 is a wasteful number, since it uses less digits than its factorization.

82387934868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321191 (or 321189 counting only the distinct ones).

The product of its digits is 111476736, while the sum is 66.

The spelling of 82387934868 in words is "eighty-two billion, three hundred eighty-seven million, nine hundred thirty-four thousand, eight hundred sixty-eight".