58398278391 has 6 divisors (see below), whose sum is σ = 84353068800. Its totient is φ = 38932185588.

The previous prime is 58398278321. The next prime is 58398278443. The reversal of 58398278391 is 19387289385.

It is not a de Polignac number, because 58398278391 - 2⁹ = 58398277879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58398278321) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3244348791 + ... + 3244348808.

It is an arithmetic number, because the mean of its divisors is an integer number (14058844800).

Almost surely, 2^58398278391 is an apocalyptic number.

58398278391 is a deficient number, since it is larger than the sum of its proper divisors (25954790409).

58398278391 is a wasteful number, since it uses less digits than its factorization.

58398278391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6488697605 (or 6488697602 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 63.

The spelling of 58398278391 in words is "fifty-eight billion, three hundred ninety-eight million, two hundred seventy-eight thousand, three hundred ninety-one".