58661387 has 2 divisors, whose sum is σ = 58661388. Its totient is φ = 58661386.

The previous prime is 58661377. The next prime is 58661389. The reversal of 58661387 is 78316685.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 58661387 - 2¹⁴ = 58645003 is a prime.

Together with 58661389, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (58661389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29330693 + 29330694.

It is an arithmetic number, because the mean of its divisors is an integer number (29330694).

Almost surely, 2^58661387 is an apocalyptic number.

58661387 is a deficient number, since it is larger than the sum of its proper divisors (1).

58661387 is an equidigital number, since it uses as much as digits as its factorization.

58661387 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 241920, while the sum is 44.

The square root of 58661387 is about 7659.0722022971. The cubic root of 58661387 is about 388.5534556496.

The spelling of 58661387 in words is "fifty-eight million, six hundred sixty-one thousand, three hundred eighty-seven".