58899991 has 2 divisors, whose sum is σ = 58899992. Its totient is φ = 58899990.

The previous prime is 58899989. The next prime is 58900001. The reversal of 58899991 is 19999885.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 58899991 - 2¹ = 58899989 is a prime.

Together with 58899989, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (58899931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29449995 + 29449996.

It is an arithmetic number, because the mean of its divisors is an integer number (29449996).

Almost surely, 2^58899991 is an apocalyptic number.

58899991 is a deficient number, since it is larger than the sum of its proper divisors (1).

58899991 is an equidigital number, since it uses as much as digits as its factorization.

58899991 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2099520, while the sum is 58.

The square root of 58899991 is about 7674.6329553927. The cubic root of 58899991 is about 389.0795540908.

The spelling of 58899991 in words is "fifty-eight million, eight hundred ninety-nine thousand, nine hundred ninety-one".