847246477 has 12 divisors (see below), whose sum is σ = 1064310688. Its totient is φ = 660191400.

The previous prime is 847246457. The next prime is 847246489. The reversal of 847246477 is 774642748.

It is not a de Polignac number, because 847246477 - 2⁷ = 847246349 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 847246477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (847246457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 499299 + ... + 500992.

Almost surely, 2^847246477 is an apocalyptic number.

It is an amenable number.

847246477 is a deficient number, since it is larger than the sum of its proper divisors (217064211).

847246477 is a wasteful number, since it uses less digits than its factorization.

847246477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000320 (or 1000309 counting only the distinct ones).

The product of its digits is 2107392, while the sum is 49.

The square root of 847246477 is about 29107.4986386670. The cubic root of 847246477 is about 946.2442581816.

The spelling of 847246477 in words is "eight hundred forty-seven million, two hundred forty-six thousand, four hundred seventy-seven".