36843323977 has 2 divisors, whose sum is σ = 36843323978. Its totient is φ = 36843323976.

The previous prime is 36843323879. The next prime is 36843323999. The reversal of 36843323977 is 77932334863.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35282362896 + 1560961081 = 187836^2 + 39509^2 .

It is a cyclic number.

It is not a de Polignac number, because 36843323977 - 2⁷ = 36843323849 is a prime.

It is not a weakly prime, because it can be changed into another prime (36843323677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18421661988 + 18421661989.

It is an arithmetic number, because the mean of its divisors is an integer number (18421661989).

Almost surely, 2^36843323977 is an apocalyptic number.

It is an amenable number.

36843323977 is a deficient number, since it is larger than the sum of its proper divisors (1).

36843323977 is an equidigital number, since it uses as much as digits as its factorization.

36843323977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13716864, while the sum is 55.

The spelling of 36843323977 in words is "thirty-six billion, eight hundred forty-three million, three hundred twenty-three thousand, nine hundred seventy-seven".