398783497260075 has 12 divisors (see below), whose sum is σ = 659322048803448. Its totient is φ = 212684531872000.

The previous prime is 398783497260067. The next prime is 398783497260077. The reversal of 398783497260075 is 570062794387893.

It is a happy number.

It is not a de Polignac number, because 398783497260075 - 2³ = 398783497260067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (398783497260077) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2658556648326 + ... + 2658556648475.

It is an arithmetic number, because the mean of its divisors is an integer number (54943504066954).

Almost surely, 2^{398783497260075} is an apocalyptic number.

398783497260075 is a deficient number, since it is larger than the sum of its proper divisors (260538551543373).

398783497260075 is a wasteful number, since it uses less digits than its factorization.

398783497260075 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5317113296814 (or 5317113296809 counting only the distinct ones).

The product of its (nonzero) digits is 3840721920, while the sum is 78.

The spelling of 398783497260075 in words is "three hundred ninety-eight trillion, seven hundred eighty-three billion, four hundred ninety-seven million, two hundred sixty thousand, seventy-five".