847989160656 has 320 divisors, whose sum is σ = 2451371483136. Its totient is φ = 250449408000.

The previous prime is 847989160639. The next prime is 847989160673. The reversal of 847989160656 is 656061989748.

It is an interprime number because it is at equal distance from previous prime (847989160639) and next prime (847989160673).

It is a congruent number.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 2135992650 + ... + 2135993046.

Almost surely, 2^847989160656 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 847989160656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1225685741568).

847989160656 is an abundant number, since it is smaller than the sum of its proper divisors (1603382322480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

847989160656 is a wasteful number, since it uses less digits than its factorization.

847989160656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1010 (or 1004 counting only the distinct ones).

The product of its (nonzero) digits is 156764160, while the sum is 69.

The spelling of 847989160656 in words is "eight hundred forty-seven billion, nine hundred eighty-nine million, one hundred sixty thousand, six hundred fifty-six".