82257046209918 has 64 divisors (see below), whose sum is σ = 193571789368320. Its totient is φ = 25802692373376.

The previous prime is 82257046209889. The next prime is 82257046209931. The reversal of 82257046209918 is 81990264075228.

82257046209918 is a `hidden beast` number, since 8 + 2 + 2 + 5 + 70 + 462 + 0 + 99 + 18 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 923355 + ... + 12859497.

It is an arithmetic number, because the mean of its divisors is an integer number (3024559208880).

Almost surely, 2^{82257046209918} is an apocalyptic number.

82257046209918 is an abundant number, since it is smaller than the sum of its proper divisors (111314743158402).

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

82257046209918 is a wasteful number, since it uses less digits than its factorization.

82257046209918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11943678 (or 11943672 counting only the distinct ones).

The product of its (nonzero) digits is 34836480, while the sum is 63.

The spelling of 82257046209918 in words is "eighty-two trillion, two hundred fifty-seven billion, forty-six million, two hundred nine thousand, nine hundred eighteen".