847426845 has 16 divisors (see below), whose sum is σ = 1356322752. Its totient is φ = 451814400.

The previous prime is 847426813. The next prime is 847426849. The reversal of 847426845 is 548624748.

It is not a de Polignac number, because 847426845 - 2⁵ = 847426813 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 847426794 and 847426803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (847426849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51645 + ... + 66045.

It is an arithmetic number, because the mean of its divisors is an integer number (84770172).

Almost surely, 2^847426845 is an apocalyptic number.

It is an amenable number.

847426845 is a deficient number, since it is larger than the sum of its proper divisors (508895907).

847426845 is a wasteful number, since it uses less digits than its factorization.

847426845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18332.

The product of its digits is 1720320, while the sum is 48.

The square root of 847426845 is about 29110.5967819281. The cubic root of 847426845 is about 946.3114012067.

The spelling of 847426845 in words is "eight hundred forty-seven million, four hundred twenty-six thousand, eight hundred forty-five".