398878069014 has 24 divisors (see below), whose sum is σ = 864255075840. Its totient is φ = 132956393328.

The previous prime is 398878068931. The next prime is 398878069103. The reversal of 398878069014 is 410960878893.

398878069014 is a `hidden beast` number, since 398 + 87 + 80 + 6 + 90 + 1 + 4 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 676584 + ... + 1120500.

It is an arithmetic number, because the mean of its divisors is an integer number (36010628160).

Almost surely, 2^398878069014 is an apocalyptic number.

398878069014 is an abundant number, since it is smaller than the sum of its proper divisors (465377006826).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

398878069014 is a wasteful number, since it uses less digits than its factorization.

398878069014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493844 (or 493841 counting only the distinct ones).

The product of its (nonzero) digits is 20901888, while the sum is 63.

The spelling of 398878069014 in words is "three hundred ninety-eight billion, eight hundred seventy-eight million, sixty-nine thousand, fourteen".