7847197222875 has 32 divisors (see below), whose sum is σ = 13057950297600. Its totient is φ = 4185103224800.

The previous prime is 7847197222871. The next prime is 7847197222967. The reversal of 7847197222875 is 5782227917487.

It is not a de Polignac number, because 7847197222875 - 2² = 7847197222871 is a prime.

It is a super-2 number, since 2×7847197222875² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7847197222871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29612716 + ... + 29876534.

It is an arithmetic number, because the mean of its divisors is an integer number (408060946800).

Almost surely, 2^{7847197222875} is an apocalyptic number.

7847197222875 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

7847197222875 is a deficient number, since it is larger than the sum of its proper divisors (5210753074725).

7847197222875 is a wasteful number, since it uses less digits than its factorization.

7847197222875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343156 (or 343146 counting only the distinct ones).

The product of its digits is 221276160, while the sum is 69.

The spelling of 7847197222875 in words is "seven trillion, eight hundred forty-seven billion, one hundred ninety-seven million, two hundred twenty-two thousand, eight hundred seventy-five".