58660247 has 4 divisors (see below), whose sum is σ = 58752120. Its totient is φ = 58568376.

The previous prime is 58660237. The next prime is 58660267. The reversal of 58660247 is 74206685.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-58660247 is a prime.

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 58660247.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58660237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44972 + ... + 46257.

It is an arithmetic number, because the mean of its divisors is an integer number (14688030).

Almost surely, 2^58660247 is an apocalyptic number.

58660247 is a deficient number, since it is larger than the sum of its proper divisors (91873).

58660247 is an equidigital number, since it uses as much as digits as its factorization.

58660247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91872.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 58660247 is about 7658.9977803888. The cubic root of 58660247 is about 388.5509386401.

The spelling of 58660247 in words is "fifty-eight million, six hundred sixty thousand, two hundred forty-seven".