3860005997 has 2 divisors, whose sum is σ = 3860005998. Its totient is φ = 3860005996.

The previous prime is 3860005993. The next prime is 3860005999. The reversal of 3860005997 is 7995000683.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3305215081 + 554790916 = 57491^2 + 23554^2 .

It is a cyclic number.

It is not a de Polignac number, because 3860005997 - 2² = 3860005993 is a prime.

Together with 3860005999, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3860005993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1930002998 + 1930002999.

It is an arithmetic number, because the mean of its divisors is an integer number (1930002999).

Almost surely, 2^3860005997 is an apocalyptic number.

It is an amenable number.

3860005997 is a deficient number, since it is larger than the sum of its proper divisors (1).

3860005997 is an equidigital number, since it uses as much as digits as its factorization.

3860005997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 408240, while the sum is 47.

The square root of 3860005997 is about 62128.9465305827. The cubic root of 3860005997 is about 1568.6618206400.

The spelling of 3860005997 in words is "three billion, eight hundred sixty million, five thousand, nine hundred ninety-seven".