58172820347 has 2 divisors, whose sum is σ = 58172820348. Its totient is φ = 58172820346.

The previous prime is 58172820323. The next prime is 58172820359. The reversal of 58172820347 is 74302827185.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 58172820347 - 2²⁰ = 58171771771 is a prime.

It is not a weakly prime, because it can be changed into another prime (58172820397) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29086410173 + 29086410174.

It is an arithmetic number, because the mean of its divisors is an integer number (29086410174).

Almost surely, 2^58172820347 is an apocalyptic number.

58172820347 is a deficient number, since it is larger than the sum of its proper divisors (1).

58172820347 is an equidigital number, since it uses as much as digits as its factorization.

58172820347 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 752640, while the sum is 47.

The spelling of 58172820347 in words is "fifty-eight billion, one hundred seventy-two million, eight hundred twenty thousand, three hundred forty-seven".