3667499987 has 2 divisors, whose sum is σ = 3667499988. Its totient is φ = 3667499986.

The previous prime is 3667499963. The next prime is 3667500047. The reversal of 3667499987 is 7899947663.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3667499987 - 2¹⁶ = 3667434451 is a prime.

It is not a weakly prime, because it can be changed into another prime (3667499917) 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, 1833749993 + 1833749994.

It is an arithmetic number, because the mean of its divisors is an integer number (1833749994).

Almost surely, 2^3667499987 is an apocalyptic number.

3667499987 is a deficient number, since it is larger than the sum of its proper divisors (1).

3667499987 is an equidigital number, since it uses as much as digits as its factorization.

3667499987 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 123451776, while the sum is 68.

The square root of 3667499987 is about 60559.8876072273. The cubic root of 3667499987 is about 1542.1384788801.

The spelling of 3667499987 in words is "three billion, six hundred sixty-seven million, four hundred ninety-nine thousand, nine hundred eighty-seven".