845438976 has 84 divisors (see below), whose sum is σ = 2442443172. Its totient is φ = 281788416.

The previous prime is 845438969. The next prime is 845438981. The reversal of 845438976 is 679834548.

845438976 is a `hidden beast` number, since 8 + 4 + 543 + 8 + 97 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 67995 + ... + 79461.

Almost surely, 2^845438976 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 845438976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1221221586).

845438976 is an abundant number, since it is smaller than the sum of its proper divisors (1597004196).

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

845438976 is a wasteful number, since it uses less digits than its factorization.

845438976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11499 (or 11472 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 54.

The square root of 845438976 is about 29076.4333438611. The cubic root of 845438976 is about 945.5708787101.

The spelling of 845438976 in words is "eight hundred forty-five million, four hundred thirty-eight thousand, nine hundred seventy-six".