755546789 has 2 divisors, whose sum is σ = 755546790. Its totient is φ = 755546788.

The previous prime is 755546741. The next prime is 755546801. The reversal of 755546789 is 987645557.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 736036900 + 19509889 = 27130^2 + 4417^2 .

It is a cyclic number.

It is not a de Polignac number, because 755546789 - 2²⁴ = 738769573 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (755546719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 377773394 + 377773395.

It is an arithmetic number, because the mean of its divisors is an integer number (377773395).

Almost surely, 2^755546789 is an apocalyptic number.

It is an amenable number.

755546789 is a deficient number, since it is larger than the sum of its proper divisors (1).

755546789 is an equidigital number, since it uses as much as digits as its factorization.

755546789 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10584000, while the sum is 56.

The square root of 755546789 is about 27487.2113718362. The cubic root of 755546789 is about 910.7946160834.

The spelling of 755546789 in words is "seven hundred fifty-five million, five hundred forty-six thousand, seven hundred eighty-nine".