8857903813 has 4 divisors (see below), whose sum is σ = 9663167808. Its totient is φ = 8052639820.

The previous prime is 8857903799. The next prime is 8857903837. The reversal of 8857903813 is 3183097588.

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 8857903813 - 2¹⁷ = 8857772741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8857903843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 402631981 + ... + 402632002.

It is an arithmetic number, because the mean of its divisors is an integer number (2415791952).

Almost surely, 2^8857903813 is an apocalyptic number.

It is an amenable number.

8857903813 is a deficient number, since it is larger than the sum of its proper divisors (805263995).

8857903813 is a wasteful number, since it uses less digits than its factorization.

8857903813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 805263994.

The product of its (nonzero) digits is 1451520, while the sum is 52.

The square root of 8857903813 is about 94116.4375282023. The cubic root of 8857903813 is about 2069.0785892713.

The spelling of 8857903813 in words is "eight billion, eight hundred fifty-seven million, nine hundred three thousand, eight hundred thirteen".