82856822340 has 48 divisors (see below), whose sum is σ = 232014988800. Its totient is φ = 22093639680.

The previous prime is 82856822309. The next prime is 82856822341. The reversal of 82856822340 is 4322865828.

It is a self number, because there is not a number n which added to its sum of digits gives 82856822340.

It is not an unprimeable number, because it can be changed into a prime (82856822341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1044685 + ... + 1121195.

It is an arithmetic number, because the mean of its divisors is an integer number (4833645600).

Almost surely, 2^82856822340 is an apocalyptic number.

It is an amenable number.

82856822340 is an abundant number, since it is smaller than the sum of its proper divisors (149158166460).

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

82856822340 is a wasteful number, since it uses less digits than its factorization.

82856822340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94572 (or 94570 counting only the distinct ones).

The product of its (nonzero) digits is 1474560, while the sum is 48.

The spelling of 82856822340 in words is "eighty-two billion, eight hundred fifty-six million, eight hundred twenty-two thousand, three hundred forty".