8625844401 has 4 divisors (see below), whose sum is σ = 11501125872. Its totient is φ = 5750562932.

The previous prime is 8625844363. The next prime is 8625844411. The reversal of 8625844401 is 1044485268.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8625844401 - 2⁷ = 8625844273 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8625844411) 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 3 ways as a sum of consecutive naturals, for example, 1437640731 + ... + 1437640736.

It is an arithmetic number, because the mean of its divisors is an integer number (2875281468).

Almost surely, 2^8625844401 is an apocalyptic number.

It is an amenable number.

8625844401 is a deficient number, since it is larger than the sum of its proper divisors (2875281471).

8625844401 is a wasteful number, since it uses less digits than its factorization.

8625844401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2875281470.

The product of its (nonzero) digits is 245760, while the sum is 42.

The square root of 8625844401 is about 92875.4240959362. The cubic root of 8625844401 is about 2050.8498876213.

The spelling of 8625844401 in words is "eight billion, six hundred twenty-five million, eight hundred forty-four thousand, four hundred one".