16344892877 has 2 divisors, whose sum is σ = 16344892878. Its totient is φ = 16344892876.

The previous prime is 16344892873. The next prime is 16344892919. The reversal of 16344892877 is 77829844361.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11554315081 + 4790577796 = 107491^2 + 69214^2 .

It is a cyclic number.

It is not a de Polignac number, because 16344892877 - 2² = 16344892873 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16344892873) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8172446438 + 8172446439.

It is an arithmetic number, because the mean of its divisors is an integer number (8172446439).

Almost surely, 2^16344892877 is an apocalyptic number.

It is an amenable number.

16344892877 is a deficient number, since it is larger than the sum of its proper divisors (1).

16344892877 is an equidigital number, since it uses as much as digits as its factorization.

16344892877 is an evil number, because the sum of its binary digits is even.

The product of its digits is 16257024, while the sum is 59.

The spelling of 16344892877 in words is "sixteen billion, three hundred forty-four million, eight hundred ninety-two thousand, eight hundred seventy-seven".