398878156214 has 8 divisors (see below), whose sum is σ = 601417324200. Its totient is φ = 198405714816.

The previous prime is 398878156181. The next prime is 398878156273. The reversal of 398878156214 is 412651878893.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 516681164 + ... + 516681935.

It is an arithmetic number, because the mean of its divisors is an integer number (75177165525).

Almost surely, 2^398878156214 is an apocalyptic number.

398878156214 is a deficient number, since it is larger than the sum of its proper divisors (202539167986).

398878156214 is a wasteful number, since it uses less digits than its factorization.

398878156214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1033363294.

The product of its digits is 23224320, while the sum is 62.

The spelling of 398878156214 in words is "three hundred ninety-eight billion, eight hundred seventy-eight million, one hundred fifty-six thousand, two hundred fourteen".