75999959 has 4 divisors (see below), whose sum is σ = 86857104. Its totient is φ = 65142816.

The previous prime is 75999953. The next prime is 75999967. The reversal of 75999959 is 95999957.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 75999959 - 2²⁴ = 59222743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75999953) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5428562 + ... + 5428575.

It is an arithmetic number, because the mean of its divisors is an integer number (21714276).

Almost surely, 2^75999959 is an apocalyptic number.

75999959 is a deficient number, since it is larger than the sum of its proper divisors (10857145).

75999959 is a wasteful number, since it uses less digits than its factorization.

75999959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10857144.

The product of its digits is 10333575, while the sum is 62.

The square root of 75999959 is about 8717.7955355698. The cubic root of 75999959 is about 423.5822822550.

The spelling of 75999959 in words is "seventy-five million, nine hundred ninety-nine thousand, nine hundred fifty-nine".