8992897461 has 6 divisors (see below), whose sum is σ = 12989740790. Its totient is φ = 5995264968.

The previous prime is 8992897447. The next prime is 8992897499. The reversal of 8992897461 is 1647982998.

8992897461 is a `hidden beast` number, since 8 + 9 + 92 + 89 + 7 + 461 = 666.

It can be written as a sum of positive squares in only one way, i.e., 8268264900 + 724632561 = 90930^2 + 26919^2 .

It is not a de Polignac number, because 8992897461 - 2⁹ = 8992896949 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 (8992898461) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 499605406 + ... + 499605423.

Almost surely, 2^8992897461 is an apocalyptic number.

It is an amenable number.

8992897461 is a deficient number, since it is larger than the sum of its proper divisors (3996843329).

8992897461 is a wasteful number, since it uses less digits than its factorization.

8992897461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999210835 (or 999210832 counting only the distinct ones).

The product of its digits is 15676416, while the sum is 63.

The square root of 8992897461 is about 94830.8887493943. Note that the first 3 decimals coincide. The cubic root of 8992897461 is about 2079.5364984388.

The spelling of 8992897461 in words is "eight billion, nine hundred ninety-two million, eight hundred ninety-seven thousand, four hundred sixty-one".