8899106207977 has 4 divisors (see below), whose sum is σ = 8999096165460. Its totient is φ = 8799116250496.

The previous prime is 8899106207969. The next prime is 8899106207987. The reversal of 8899106207977 is 7797026019988.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5985748803241 + 2913357404736 = 2446579^2 + 1706856^2 .

It is a cyclic number.

It is not a de Polignac number, because 8899106207977 - 2³ = 8899106207969 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8899106207987) 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, 49994978608 + ... + 49994978785.

It is an arithmetic number, because the mean of its divisors is an integer number (2249774041365).

Almost surely, 2^{8899106207977} is an apocalyptic number.

It is an amenable number.

8899106207977 is a deficient number, since it is larger than the sum of its proper divisors (99989957483).

8899106207977 is an equidigital number, since it uses as much as digits as its factorization.

8899106207977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99989957482.

The product of its (nonzero) digits is 192036096, while the sum is 73.

The spelling of 8899106207977 in words is "eight trillion, eight hundred ninety-nine billion, one hundred six million, two hundred seven thousand, nine hundred seventy-seven".