82355972472243 has 12 divisors (see below), whose sum is σ = 118960300499040. Its totient is φ = 54903209219856.

The previous prime is 82355972472229. The next prime is 82355972472271. The reversal of 82355972472243 is 34227427955328.

82355972472243 is a `hidden beast` number, since 8 + 2 + 3 + 5 + 59 + 72 + 472 + 2 + 43 = 666.

It is not a de Polignac number, because 82355972472243 - 2⁴ = 82355972472227 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82355972472223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63693396 + ... + 64973537.

It is an arithmetic number, because the mean of its divisors is an integer number (9913358374920).

Almost surely, 2^{82355972472243} is an apocalyptic number.

82355972472243 is a deficient number, since it is larger than the sum of its proper divisors (36604328026797).

82355972472243 is a wasteful number, since it uses less digits than its factorization.

82355972472243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128738058 (or 128738055 counting only the distinct ones).

The product of its digits is 203212800, while the sum is 63.

The spelling of 82355972472243 in words is "eighty-two trillion, three hundred fifty-five billion, nine hundred seventy-two million, four hundred seventy-two thousand, two hundred forty-three".