8813456961 has 16 divisors (see below), whose sum is σ = 12355786560. Its totient is φ = 5580025920.

The previous prime is 8813456921. The next prime is 8813456969. The reversal of 8813456961 is 1696543188.

It is not a de Polignac number, because 8813456961 - 2¹⁹ = 8812932673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8813456969) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 825055 + ... + 835668.

It is an arithmetic number, because the mean of its divisors is an integer number (772236660).

Almost surely, 2^8813456961 is an apocalyptic number.

It is an amenable number.

8813456961 is a deficient number, since it is larger than the sum of its proper divisors (3542329599).

8813456961 is a wasteful number, since it uses less digits than its factorization.

8813456961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1660816.

The product of its digits is 1244160, while the sum is 51.

The square root of 8813456961 is about 93880.0136397519. The cubic root of 8813456961 is about 2065.6120701838.

The spelling of 8813456961 in words is "eight billion, eight hundred thirteen million, four hundred fifty-six thousand, nine hundred sixty-one".