58117717729 has 4 divisors (see below), whose sum is σ = 58122510484. Its totient is φ = 58112924976.

The previous prime is 58117717663. The next prime is 58117717747. The reversal of 58117717729 is 92771771185.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6315957729 + 51801760000 = 79473^2 + 227600^2 .

It is a cyclic number.

It is not a de Polignac number, because 58117717729 - 2¹³ = 58117709537 is a prime.

It is a super-2 number, since 2×58117717729² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 58117717729.

It is not an unprimeable number, because it can be changed into a prime (58117717829) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2378142 + ... + 2402455.

It is an arithmetic number, because the mean of its divisors is an integer number (14530627621).

Almost surely, 2^58117717729 is an apocalyptic number.

It is an amenable number.

58117717729 is a deficient number, since it is larger than the sum of its proper divisors (4792755).

58117717729 is a wasteful number, since it uses less digits than its factorization.

58117717729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4792754.

The product of its digits is 1728720, while the sum is 55.

The spelling of 58117717729 in words is "fifty-eight billion, one hundred seventeen million, seven hundred seventeen thousand, seven hundred twenty-nine".