75799989 has 8 divisors (see below), whose sum is σ = 112296320. Its totient is φ = 50533308.

The previous prime is 75799967. The next prime is 75800009. The reversal of 75799989 is 98999757.

It is not a de Polignac number, because 75799989 - 2⁸ = 75799733 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75799909) 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 in 7 ways as a sum of consecutive naturals, for example, 1403677 + ... + 1403730.

It is an arithmetic number, because the mean of its divisors is an integer number (14037040).

Almost surely, 2^75799989 is an apocalyptic number.

It is an amenable number.

75799989 is a deficient number, since it is larger than the sum of its proper divisors (36496331).

75799989 is a wasteful number, since it uses less digits than its factorization.

75799989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2807416 (or 2807410 counting only the distinct ones).

The product of its digits is 12859560, while the sum is 63.

The square root of 75799989 is about 8706.3189121465. The cubic root of 75799989 is about 423.2104480710.

The spelling of 75799989 in words is "seventy-five million, seven hundred ninety-nine thousand, nine hundred eighty-nine".