58987861 has 2 divisors, whose sum is σ = 58987862. Its totient is φ = 58987860.

The previous prime is 58987849. The next prime is 58987871. The reversal of 58987861 is 16878985.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55726225 + 3261636 = 7465^2 + 1806^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-58987861 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 58987799 and 58987808.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (58987811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29493930 + 29493931.

It is an arithmetic number, because the mean of its divisors is an integer number (29493931).

Almost surely, 2^58987861 is an apocalyptic number.

It is an amenable number.

58987861 is a deficient number, since it is larger than the sum of its proper divisors (1).

58987861 is an equidigital number, since it uses as much as digits as its factorization.

58987861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 967680, while the sum is 52.

The square root of 58987861 is about 7680.3555256251. The cubic root of 58987861 is about 389.2729408388.

The spelling of 58987861 in words is "fifty-eight million, nine hundred eighty-seven thousand, eight hundred sixty-one".