75983911 has 2 divisors, whose sum is σ = 75983912. Its totient is φ = 75983910.

The previous prime is 75983879. The next prime is 75983923. The reversal of 75983911 is 11938957.

It is a strong prime.

It is an emirp because it is prime and its reverse (11938957) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 75983911 - 2⁵ = 75983879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75983951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37991955 + 37991956.

It is an arithmetic number, because the mean of its divisors is an integer number (37991956).

Almost surely, 2^75983911 is an apocalyptic number.

75983911 is a deficient number, since it is larger than the sum of its proper divisors (1).

75983911 is an equidigital number, since it uses as much as digits as its factorization.

75983911 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 68040, while the sum is 43.

The square root of 75983911 is about 8716.8750708038. The cubic root of 75983911 is about 423.5524658925.

The spelling of 75983911 in words is "seventy-five million, nine hundred eighty-three thousand, nine hundred eleven".