58780391 has 2 divisors, whose sum is σ = 58780392. Its totient is φ = 58780390.

The previous prime is 58780367. The next prime is 58780411. The reversal of 58780391 is 19308785.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 58780391 - 2¹⁰ = 58779367 is a prime.

It is a super-2 number, since 2×58780391² = 6910268732225762, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (58780301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29390195 + 29390196.

It is an arithmetic number, because the mean of its divisors is an integer number (29390196).

Almost surely, 2^58780391 is an apocalyptic number.

58780391 is a deficient number, since it is larger than the sum of its proper divisors (1).

58780391 is an equidigital number, since it uses as much as digits as its factorization.

58780391 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 58780391 is about 7666.8370923087. The cubic root of 58780391 is about 388.8160257716.

The spelling of 58780391 in words is "fifty-eight million, seven hundred eighty thousand, three hundred ninety-one".