3887074381 has 2 divisors, whose sum is σ = 3887074382. Its totient is φ = 3887074380.

The previous prime is 3887074379. The next prime is 3887074427. The reversal of 3887074381 is 1834707883.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3035018281 + 852056100 = 55091^2 + 29190^2 .

It is an emirp because it is prime and its reverse (1834707883) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3887074381 - 2¹ = 3887074379 is a prime.

It is a super-2 number, since 2×3887074381² = 30218694486853066322, which contains 22 as substring.

Together with 3887074379, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3887074351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1943537190 + 1943537191.

It is an arithmetic number, because the mean of its divisors is an integer number (1943537191).

Almost surely, 2^3887074381 is an apocalyptic number.

It is an amenable number.

3887074381 is a deficient number, since it is larger than the sum of its proper divisors (1).

3887074381 is an equidigital number, since it uses as much as digits as its factorization.

3887074381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 903168, while the sum is 49.

The square root of 3887074381 is about 62346.4063198513. The cubic root of 3887074381 is about 1572.3200422579.

The spelling of 3887074381 in words is "three billion, eight hundred eighty-seven million, seventy-four thousand, three hundred eighty-one".