3898004986867 has 2 divisors, whose sum is σ = 3898004986868. Its totient is φ = 3898004986866.

The previous prime is 3898004986829. The next prime is 3898004986873. The reversal of 3898004986867 is 7686894008983.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3898004986867 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3898004986793 and 3898004986802.

It is not a weakly prime, because it can be changed into another prime (3898004986877) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1949002493433 + 1949002493434.

It is an arithmetic number, because the mean of its divisors is an integer number (1949002493434).

Almost surely, 2^{3898004986867} is an apocalyptic number.

3898004986867 is a deficient number, since it is larger than the sum of its proper divisors (1).

3898004986867 is an equidigital number, since it uses as much as digits as its factorization.

3898004986867 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1003290624, while the sum is 76.

The spelling of 3898004986867 in words is "three trillion, eight hundred ninety-eight billion, four million, nine hundred eighty-six thousand, eight hundred sixty-seven".