845912880 has 60 divisors (see below), whose sum is σ = 2840859840. Its totient is φ = 225576576.

The previous prime is 845912869. The next prime is 845912887. The reversal of 845912880 is 88219548.

It is a happy number.

845912880 is nontrivially palindromic in base 14.

845912880 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (845912887) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 586720 + ... + 588159.

It is an arithmetic number, because the mean of its divisors is an integer number (47347664).

Almost surely, 2^845912880 is an apocalyptic number.

845912880 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

845912880 is an abundant number, since it is smaller than the sum of its proper divisors (1994946960).

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

845912880 is a wasteful number, since it uses less digits than its factorization.

845912880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1174898 (or 1174889 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 45.

The square root of 845912880 is about 29084.5814822906. The cubic root of 845912880 is about 945.7475230856.

The spelling of 845912880 in words is "eight hundred forty-five million, nine hundred twelve thousand, eight hundred eighty".