398050072851 has 8 divisors (see below), whose sum is σ = 534295400400. Its totient is φ = 263585730272.

The previous prime is 398050072841. The next prime is 398050072853. The reversal of 398050072851 is 158270050893.

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 398050072851 - 2⁹ = 398050072339 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 398050072851.

It is not an unprimeable number, because it can be changed into a prime (398050072853) 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, 445245720 + ... + 445246613.

It is an arithmetic number, because the mean of its divisors is an integer number (66786925050).

Almost surely, 2^398050072851 is an apocalyptic number.

398050072851 is a deficient number, since it is larger than the sum of its proper divisors (136245327549).

398050072851 is a wasteful number, since it uses less digits than its factorization.

398050072851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890492485.

The product of its (nonzero) digits is 604800, while the sum is 48.

The spelling of 398050072851 in words is "three hundred ninety-eight billion, fifty million, seventy-two thousand, eight hundred fifty-one".