845803944976 has 45 divisors (see below), whose sum is σ = 1729677284733. Its totient is φ = 400610865600.

The previous prime is 845803944943. The next prime is 845803944977. The reversal of 845803944976 is 679449308548.

The square root of 845803944976 is 919676.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 845524386576 + 279558400 = 919524^2 + 16720^2 .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (845803944977) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 69889326 + ... + 69901426.

Almost surely, 2^845803944976 is an apocalyptic number.

845803944976 is the 919676-th square number.

It is an amenable number.

845803944976 is an abundant number, since it is smaller than the sum of its proper divisors (883873339757).

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

845803944976 is an frugal number, since it uses more digits than its factorization.

845803944976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24248 (or 12122 counting only the distinct ones).

The product of its (nonzero) digits is 209018880, while the sum is 67.

The spelling of 845803944976 in words is "eight hundred forty-five billion, eight hundred three million, nine hundred forty-four thousand, nine hundred seventy-six".