398907071107 has 2 divisors, whose sum is σ = 398907071108. Its totient is φ = 398907071106.

The previous prime is 398907071063. The next prime is 398907071149. The reversal of 398907071107 is 701170709893.

It is a strong prime.

It is an emirp because it is prime and its reverse (701170709893) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 398907071107 - 2¹¹ = 398907069059 is a prime.

It is not a weakly prime, because it can be changed into another prime (398907071207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 199453535553 + 199453535554.

It is an arithmetic number, because the mean of its divisors is an integer number (199453535554).

Almost surely, 2^398907071107 is an apocalyptic number.

398907071107 is a deficient number, since it is larger than the sum of its proper divisors (1).

398907071107 is an equidigital number, since it uses as much as digits as its factorization.

398907071107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 666792, while the sum is 52.

The spelling of 398907071107 in words is "three hundred ninety-eight billion, nine hundred seven million, seventy-one thousand, one hundred seven".