3875642087 has 2 divisors, whose sum is σ = 3875642088. Its totient is φ = 3875642086.

The previous prime is 3875642083. The next prime is 3875642189. The reversal of 3875642087 is 7802465783.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3875642087 - 2² = 3875642083 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3875642083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1937821043 + 1937821044.

It is an arithmetic number, because the mean of its divisors is an integer number (1937821044).

Almost surely, 2^3875642087 is an apocalyptic number.

3875642087 is a deficient number, since it is larger than the sum of its proper divisors (1).

3875642087 is an equidigital number, since it uses as much as digits as its factorization.

3875642087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2257920, while the sum is 50.

The square root of 3875642087 is about 62254.6551432100. The cubic root of 3875642087 is about 1570.7770757992. Note that the first 3 decimals are identical.

The spelling of 3875642087 in words is "three billion, eight hundred seventy-five million, six hundred forty-two thousand, eighty-seven".