82785603336 has 16 divisors (see below), whose sum is σ = 206964008400. Its totient is φ = 27595201104.

The previous prime is 82785603287. The next prime is 82785603347. The reversal of 82785603336 is 63330658728.

It is a super-2 number, since 2×82785603336² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1724700046 + ... + 1724700093.

It is an arithmetic number, because the mean of its divisors is an integer number (12935250525).

Almost surely, 2^82785603336 is an apocalyptic number.

It is an amenable number.

82785603336 is an abundant number, since it is smaller than the sum of its proper divisors (124178405064).

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

82785603336 is a wasteful number, since it uses less digits than its factorization.

82785603336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3449400148 (or 3449400144 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 51.

The spelling of 82785603336 in words is "eighty-two billion, seven hundred eighty-five million, six hundred three thousand, three hundred thirty-six".