3994177487 has 2 divisors, whose sum is σ = 3994177488. Its totient is φ = 3994177486.

The previous prime is 3994177441. The next prime is 3994177601. The reversal of 3994177487 is 7847714993.

It is a weak prime.

It is an emirp because it is prime and its reverse (7847714993) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3994177487 - 2¹⁴ = 3994161103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3994177087) 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, 1997088743 + 1997088744.

It is an arithmetic number, because the mean of its divisors is an integer number (1997088744).

Almost surely, 2^3994177487 is an apocalyptic number.

3994177487 is a deficient number, since it is larger than the sum of its proper divisors (1).

3994177487 is an equidigital number, since it uses as much as digits as its factorization.

3994177487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10668672, while the sum is 59.

The square root of 3994177487 is about 63199.5054331915. The cubic root of 3994177487 is about 1586.6304560083.

The spelling of 3994177487 in words is "three billion, nine hundred ninety-four million, one hundred seventy-seven thousand, four hundred eighty-seven".