398673701117 has 4 divisors (see below), whose sum is σ = 416007340320. Its totient is φ = 381340061916.

The previous prime is 398673701113. The next prime is 398673701123. The reversal of 398673701117 is 711107376893.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 711107376893 = 19 ⋅37426704047.

It is not a de Polignac number, because 398673701117 - 2² = 398673701113 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398673701113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8666819567 + ... + 8666819612.

It is an arithmetic number, because the mean of its divisors is an integer number (104001835080).

Almost surely, 2^398673701117 is an apocalyptic number.

It is an amenable number.

398673701117 is a deficient number, since it is larger than the sum of its proper divisors (17333639203).

398673701117 is a wasteful number, since it uses less digits than its factorization.

398673701117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17333639202.

The product of its (nonzero) digits is 1333584, while the sum is 53.

The spelling of 398673701117 in words is "three hundred ninety-eight billion, six hundred seventy-three million, seven hundred one thousand, one hundred seventeen".