846912447 has 12 divisors (see below), whose sum is σ = 1225409640. Its totient is φ = 563642928.

The previous prime is 846912427. The next prime is 846912461. The reversal of 846912447 is 744219648.

It is not a de Polignac number, because 846912447 - 2⁸ = 846912191 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (846912427) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 74872 + ... + 85437.

It is an arithmetic number, because the mean of its divisors is an integer number (102117470).

Almost surely, 2^846912447 is an apocalyptic number.

846912447 is a deficient number, since it is larger than the sum of its proper divisors (378497193).

846912447 is a wasteful number, since it uses less digits than its factorization.

846912447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160902 (or 160899 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 846912447 is about 29101.7602044962. The cubic root of 846912447 is about 946.1198884242.

The spelling of 846912447 in words is "eight hundred forty-six million, nine hundred twelve thousand, four hundred forty-seven".