3887799667 has 2 divisors, whose sum is σ = 3887799668. Its totient is φ = 3887799666.

The previous prime is 3887799659. The next prime is 3887799677. The reversal of 3887799667 is 7669977883.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3887799667 - 2³ = 3887799659 is a prime.

It is a super-2 number, since 2×3887799667² = 30229972501450621778, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3887799596 and 3887799605.

It is not a weakly prime, because it can be changed into another prime (3887799607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1943899833 + 1943899834.

It is an arithmetic number, because the mean of its divisors is an integer number (1943899834).

Almost surely, 2^3887799667 is an apocalyptic number.

3887799667 is a deficient number, since it is larger than the sum of its proper divisors (1).

3887799667 is an equidigital number, since it uses as much as digits as its factorization.

3887799667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 192036096, while the sum is 70.

The square root of 3887799667 is about 62352.2226307932. Note that the first 3 decimals coincide. The cubic root of 3887799667 is about 1572.4178288091.

The spelling of 3887799667 in words is "three billion, eight hundred eighty-seven million, seven hundred ninety-nine thousand, six hundred sixty-seven".