58391087 has 2 divisors, whose sum is σ = 58391088. Its totient is φ = 58391086.

The previous prime is 58391071. The next prime is 58391101. The reversal of 58391087 is 78019385.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 58391087 - 2⁴ = 58391071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (58391057) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29195543 + 29195544.

It is an arithmetic number, because the mean of its divisors is an integer number (29195544).

Almost surely, 2^58391087 is an apocalyptic number.

58391087 is a deficient number, since it is larger than the sum of its proper divisors (1).

58391087 is an equidigital number, since it uses as much as digits as its factorization.

58391087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 60480, while the sum is 41.

The square root of 58391087 is about 7641.4060878872. The cubic root of 58391087 is about 387.9557443235.

The spelling of 58391087 in words is "fifty-eight million, three hundred ninety-one thousand, eighty-seven".