82908861768 has 32 divisors (see below), whose sum is σ = 230302394400. Its totient is φ = 27636287184.

The previous prime is 82908861727. The next prime is 82908861781. The reversal of 82908861768 is 86716880928.

82908861768 is a `hidden beast` number, since 8 + 2 + 9 + 0 + 8 + 8 + 617 + 6 + 8 = 666.

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, 191918446 + ... + 191918877.

It is an arithmetic number, because the mean of its divisors is an integer number (7196949825).

Almost surely, 2^82908861768 is an apocalyptic number.

It is an amenable number.

82908861768 is an abundant number, since it is smaller than the sum of its proper divisors (147393532632).

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

82908861768 is a wasteful number, since it uses less digits than its factorization.

82908861768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 383837338 (or 383837328 counting only the distinct ones).

The product of its (nonzero) digits is 18579456, while the sum is 63.

The spelling of 82908861768 in words is "eighty-two billion, nine hundred eight million, eight hundred sixty-one thousand, seven hundred sixty-eight".