869275401 has 16 divisors (see below), whose sum is σ = 1197520896. Its totient is φ = 560535696.

The previous prime is 869275397. The next prime is 869275453. The reversal of 869275401 is 104572968.

It is not a de Polignac number, because 869275401 - 2² = 869275397 is a prime.

It is not an unprimeable number, because it can be changed into a prime (869275801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19425 + ... + 45998.

It is an arithmetic number, because the mean of its divisors is an integer number (74845056).

Almost surely, 2^869275401 is an apocalyptic number.

It is an amenable number.

869275401 is a deficient number, since it is larger than the sum of its proper divisors (328245495).

869275401 is a wasteful number, since it uses less digits than its factorization.

869275401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65572.

The product of its (nonzero) digits is 120960, while the sum is 42.

The square root of 869275401 is about 29483.4767454586. The cubic root of 869275401 is about 954.3751661406.

The spelling of 869275401 in words is "eight hundred sixty-nine million, two hundred seventy-five thousand, four hundred one".