3823663997 has 2 divisors, whose sum is σ = 3823663998. Its totient is φ = 3823663996.

The previous prime is 3823663993. The next prime is 3823664029. The reversal of 3823663997 is 7993663283.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2735917636 + 1087746361 = 52306^2 + 32981^2 .

It is a cyclic number.

It is not a de Polignac number, because 3823663997 - 2² = 3823663993 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3823663993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1911831998 + 1911831999.

It is an arithmetic number, because the mean of its divisors is an integer number (1911831999).

Almost surely, 2^3823663997 is an apocalyptic number.

It is an amenable number.

3823663997 is a deficient number, since it is larger than the sum of its proper divisors (1).

3823663997 is an equidigital number, since it uses as much as digits as its factorization.

3823663997 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8817984, while the sum is 56.

The square root of 3823663997 is about 61835.7824968683. The cubic root of 3823663997 is about 1563.7232997380.

The spelling of 3823663997 in words is "three billion, eight hundred twenty-three million, six hundred sixty-three thousand, nine hundred ninety-seven".