398071259899 has 8 divisors (see below), whose sum is σ = 404608156992. Its totient is φ = 391534722240.

The previous prime is 398071259891. The next prime is 398071259921. The reversal of 398071259899 is 998952170893.

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 398071259899 - 2³ = 398071259891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (398071259891) 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, 3018567 + ... + 3147679.

It is an arithmetic number, because the mean of its divisors is an integer number (50576019624).

Almost surely, 2^398071259899 is an apocalyptic number.

398071259899 is a deficient number, since it is larger than the sum of its proper divisors (6536897093).

398071259899 is a wasteful number, since it uses less digits than its factorization.

398071259899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179717.

The product of its (nonzero) digits is 88179840, while the sum is 70.

The spelling of 398071259899 in words is "three hundred ninety-eight billion, seventy-one million, two hundred fifty-nine thousand, eight hundred ninety-nine".