82909296840 has 64 divisors (see below), whose sum is σ = 248882673600. Its totient is φ = 22095387392.

The previous prime is 82909296839. The next prime is 82909296863. The reversal of 82909296840 is 4869290928.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20610 + ... + 407729.

It is an arithmetic number, because the mean of its divisors is an integer number (3888791775).

Almost surely, 2^82909296840 is an apocalyptic number.

It is an amenable number.

82909296840 is an abundant number, since it is smaller than the sum of its proper divisors (165973376760).

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

82909296840 is a wasteful number, since it uses less digits than its factorization.

82909296840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429966 (or 429962 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 57.

The spelling of 82909296840 in words is "eighty-two billion, nine hundred nine million, two hundred ninety-six thousand, eight hundred forty".