875400891 has 8 divisors (see below), whose sum is σ = 1167830544. Its totient is φ = 583285920.

The previous prime is 875400859. The next prime is 875400901. The reversal of 875400891 is 198004578.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 875400891 - 2⁵ = 875400859 is a prime.

It is not an unprimeable number, because it can be changed into a prime (875400821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 72100 + ... + 83361.

It is an arithmetic number, because the mean of its divisors is an integer number (145978818).

Almost surely, 2^875400891 is an apocalyptic number.

875400891 is a deficient number, since it is larger than the sum of its proper divisors (292429653).

875400891 is a wasteful number, since it uses less digits than its factorization.

875400891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157341.

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

The square root of 875400891 is about 29587.1744342038. The cubic root of 875400891 is about 956.6116408732.

The spelling of 875400891 in words is "eight hundred seventy-five million, four hundred thousand, eight hundred ninety-one".