398878156213 has 8 divisors (see below), whose sum is σ = 425900236608. Its totient is φ = 372662705184.

The previous prime is 398878156181. The next prime is 398878156273. The reversal of 398878156213 is 312651878893.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 398878156213 - 2⁵ = 398878156181 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 (398878156273) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 201656320 + ... + 201658297.

It is an arithmetic number, because the mean of its divisors is an integer number (53237529576).

Almost surely, 2^398878156213 is an apocalyptic number.

It is an amenable number.

398878156213 is a deficient number, since it is larger than the sum of its proper divisors (27022080395).

398878156213 is a wasteful number, since it uses less digits than its factorization.

398878156213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403314683.

The product of its digits is 17418240, while the sum is 61.

The spelling of 398878156213 in words is "three hundred ninety-eight billion, eight hundred seventy-eight million, one hundred fifty-six thousand, two hundred thirteen".