82785603334 has 16 divisors (see below), whose sum is σ = 148088533248. Its totient is φ = 33936955272.

The previous prime is 82785603287. The next prime is 82785603347. The reversal of 82785603334 is 43330658728.

It is a super-2 number, since 2×82785603334² (a number of 23 digits) contains 22 as substring.

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, 128548752 + ... + 128549395.

It is an arithmetic number, because the mean of its divisors is an integer number (9255533328).

Almost surely, 2^82785603334 is an apocalyptic number.

82785603334 is a deficient number, since it is larger than the sum of its proper divisors (65302929914).

82785603334 is a wasteful number, since it uses less digits than its factorization.

82785603334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257098179.

The product of its (nonzero) digits is 2903040, while the sum is 49.

The spelling of 82785603334 in words is "eighty-two billion, seven hundred eighty-five million, six hundred three thousand, three hundred thirty-four".