6422847778907 has 8 divisors (see below), whose sum is σ = 7538786582496. Its totient is φ = 5356506255552.

The previous prime is 6422847778903. The next prime is 6422847778909. The reversal of 6422847778907 is 7098777482246.

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 6422847778907 - 2² = 6422847778903 is a prime.

It is a super-2 number, since 2×6422847778907² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6422847778903) 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, 12399319778 + ... + 12399320295.

It is an arithmetic number, because the mean of its divisors is an integer number (942348322812).

Almost surely, 2^{6422847778907} is an apocalyptic number.

6422847778907 is a deficient number, since it is larger than the sum of its proper divisors (1115938803589).

6422847778907 is a wasteful number, since it uses less digits than its factorization.

6422847778907 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24798640117.

The product of its (nonzero) digits is 531062784, while the sum is 71.

The spelling of 6422847778907 in words is "six trillion, four hundred twenty-two billion, eight hundred forty-seven million, seven hundred seventy-eight thousand, nine hundred seven".