3964987487 has 2 divisors, whose sum is σ = 3964987488. Its totient is φ = 3964987486.

The previous prime is 3964987471. The next prime is 3964987493. The reversal of 3964987487 is 7847894693.

It is a strong prime.

It is an emirp because it is prime and its reverse (7847894693) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3964987487 - 2⁴ = 3964987471 is a prime.

It is a super-2 number, since 2×3964987487² = 31442251544133150338, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3964987447) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1982493743 + 1982493744.

It is an arithmetic number, because the mean of its divisors is an integer number (1982493744).

Almost surely, 2^3964987487 is an apocalyptic number.

3964987487 is a deficient number, since it is larger than the sum of its proper divisors (1).

3964987487 is an equidigital number, since it uses as much as digits as its factorization.

3964987487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 73156608, while the sum is 65.

The square root of 3964987487 is about 62968.1466060420. The cubic root of 3964987487 is about 1582.7558972804.

The spelling of 3964987487 in words is "three billion, nine hundred sixty-four million, nine hundred eighty-seven thousand, four hundred eighty-seven".