891040875 has 16 divisors (see below), whose sum is σ = 1482692640. Its totient is φ = 475221600.

The previous prime is 891040867. The next prime is 891040889. The reversal of 891040875 is 578040198.

891040875 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 891040875 - 2³ = 891040867 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1187680 + ... + 1188429.

It is an arithmetic number, because the mean of its divisors is an integer number (92668290).

Almost surely, 2^891040875 is an apocalyptic number.

891040875 is a deficient number, since it is larger than the sum of its proper divisors (591651765).

891040875 is a wasteful number, since it uses less digits than its factorization.

891040875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2376127 (or 2376117 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 42.

The square root of 891040875 is about 29850.3077873579. The cubic root of 891040875 is about 962.2750134725.

The spelling of 891040875 in words is "eight hundred ninety-one million, forty thousand, eight hundred seventy-five".