845447480 has 16 divisors (see below), whose sum is σ = 1902256920. Its totient is φ = 338178976.

The previous prime is 845447479. The next prime is 845447497. The reversal of 845447480 is 84744548.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10568054 + ... + 10568133.

Almost surely, 2^845447480 is an apocalyptic number.

It is an amenable number.

845447480 is an abundant number, since it is smaller than the sum of its proper divisors (1056809440).

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

845447480 is a wasteful number, since it uses less digits than its factorization.

845447480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21136198 (or 21136194 counting only the distinct ones).

The product of its (nonzero) digits is 573440, while the sum is 44.

The square root of 845447480 is about 29076.5795787606. The cubic root of 845447480 is about 945.5740490978.

The spelling of 845447480 in words is "eight hundred forty-five million, four hundred forty-seven thousand, four hundred eighty".