3986864436277 has 2 divisors, whose sum is σ = 3986864436278. Its totient is φ = 3986864436276.

The previous prime is 3986864436271. The next prime is 3986864436341. The reversal of 3986864436277 is 7726344686893.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3739702336561 + 247162099716 = 1933831^2 + 497154^2 .

It is a cyclic number.

It is not a de Polignac number, because 3986864436277 - 2³⁵ = 3952504697909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3986864436271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1993432218138 + 1993432218139.

It is an arithmetic number, because the mean of its divisors is an integer number (1993432218139).

Almost surely, 2^{3986864436277} is an apocalyptic number.

It is an amenable number.

3986864436277 is a deficient number, since it is larger than the sum of its proper divisors (1).

3986864436277 is an equidigital number, since it uses as much as digits as its factorization.

3986864436277 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1755758592, while the sum is 73.

The spelling of 3986864436277 in words is "three trillion, nine hundred eighty-six billion, eight hundred sixty-four million, four hundred thirty-six thousand, two hundred seventy-seven".