82346700631878 has 48 divisors (see below), whose sum is σ = 190887088657200. Its totient is φ = 25577922536640.

The previous prime is 82346700631841. The next prime is 82346700631901. The reversal of 82346700631878 is 87813600764328.

It is a super-2 number, since 2×82346700631878² (a number of 29 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 23 ways as a sum of consecutive naturals, for example, 1973584273 + ... + 1973625996.

It is an arithmetic number, because the mean of its divisors is an integer number (3976814347025).

Almost surely, 2^{82346700631878} is an apocalyptic number.

82346700631878 is an abundant number, since it is smaller than the sum of its proper divisors (108540388025322).

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

82346700631878 is a wasteful number, since it uses less digits than its factorization.

82346700631878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3947210357 (or 3947210354 counting only the distinct ones).

The product of its (nonzero) digits is 65028096, while the sum is 63.

The spelling of 82346700631878 in words is "eighty-two trillion, three hundred forty-six billion, seven hundred million, six hundred thirty-one thousand, eight hundred seventy-eight".