7847197222867 has 8 divisors (see below), whose sum is σ = 7863583698432. Its totient is φ = 7830812392200.

The previous prime is 7847197222859. The next prime is 7847197222871. The reversal of 7847197222867 is 7682227917487.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 7847197222867 - 2³ = 7847197222859 is a prime.

It is a super-3 number, since 3×7847197222867³ (a number of 40 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7847197222796 and 7847197222805.

It is not an unprimeable number, because it can be changed into a prime (7847197222817) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9383142 + ... + 10185172.

It is an arithmetic number, because the mean of its divisors is an integer number (982947962304).

Almost surely, 2^{7847197222867} is an apocalyptic number.

7847197222867 is a deficient number, since it is larger than the sum of its proper divisors (16386475565).

7847197222867 is a wasteful number, since it uses less digits than its factorization.

7847197222867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 822449.

The product of its digits is 265531392, while the sum is 70.

The spelling of 7847197222867 in words is "seven trillion, eight hundred forty-seven billion, one hundred ninety-seven million, two hundred twenty-two thousand, eight hundred sixty-seven".