759900661 has 4 divisors (see below), whose sum is σ = 818354572. Its totient is φ = 701446752.

The previous prime is 759900641. The next prime is 759900689. The reversal of 759900661 is 166009957.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 166009957 = 73 ⋅2274109.

It can be written as a sum of positive squares in 2 ways, for example, as 48024900 + 711875761 = 6930^2 + 26681^2 .

It is a cyclic number.

It is not a de Polignac number, because 759900661 - 2¹¹ = 759898613 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 (759900641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29226936 + ... + 29226961.

It is an arithmetic number, because the mean of its divisors is an integer number (204588643).

Almost surely, 2^759900661 is an apocalyptic number.

It is an amenable number.

759900661 is a deficient number, since it is larger than the sum of its proper divisors (58453911).

759900661 is a wasteful number, since it uses less digits than its factorization.

759900661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58453910.

The product of its (nonzero) digits is 102060, while the sum is 43.

The square root of 759900661 is about 27566.2957431716. The cubic root of 759900661 is about 912.5407644515.

The spelling of 759900661 in words is "seven hundred fifty-nine million, nine hundred thousand, six hundred sixty-one".