3946577867 has 2 divisors, whose sum is σ = 3946577868. Its totient is φ = 3946577866.

The previous prime is 3946577861. The next prime is 3946577911. The reversal of 3946577867 is 7687756493.

It is a weak prime.

It is an emirp because it is prime and its reverse (7687756493) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3946577867 - 2²⁸ = 3678142411 is a prime.

It is not a weakly prime, because it can be changed into another prime (3946577861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1973288933 + 1973288934.

It is an arithmetic number, because the mean of its divisors is an integer number (1973288934).

Almost surely, 2^3946577867 is an apocalyptic number.

3946577867 is a deficient number, since it is larger than the sum of its proper divisors (1).

3946577867 is an equidigital number, since it uses as much as digits as its factorization.

3946577867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 53343360, while the sum is 62.

The square root of 3946577867 is about 62821.7945222834. The cubic root of 3946577867 is about 1580.3024933573.

The spelling of 3946577867 in words is "three billion, nine hundred forty-six million, five hundred seventy-seven thousand, eight hundred sixty-seven".