847074972105 has 72 divisors (see below), whose sum is σ = 1564911234432. Its totient is φ = 439562365632.

The previous prime is 847074972101. The next prime is 847074972119. The reversal of 847074972105 is 501279470748.

847074972105 is a `hidden beast` number, since 8 + 47 + 0 + 7 + 497 + 2 + 105 = 666.

It is not a de Polignac number, because 847074972105 - 2² = 847074972101 is a prime.

It is not an unprimeable number, because it can be changed into a prime (847074972101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1408704 + ... + 1917966.

It is an arithmetic number, because the mean of its divisors is an integer number (21734878256).

Almost surely, 2^847074972105 is an apocalyptic number.

It is an amenable number.

847074972105 is a deficient number, since it is larger than the sum of its proper divisors (717836262327).

847074972105 is an equidigital number, since it uses as much as digits as its factorization.

847074972105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509357 (or 509308 counting only the distinct ones).

The product of its (nonzero) digits is 3951360, while the sum is 54.

The spelling of 847074972105 in words is "eight hundred forty-seven billion, seventy-four million, nine hundred seventy-two thousand, one hundred five".