755985077 has 2 divisors, whose sum is σ = 755985078. Its totient is φ = 755985076.

The previous prime is 755985059. The next prime is 755985161. The reversal of 755985077 is 770589557.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 617075281 + 138909796 = 24841^2 + 11786^2 .

It is a cyclic number.

It is not a de Polignac number, because 755985077 - 2¹⁴ = 755968693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (755985877) 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 as a sum of consecutive naturals, namely, 377992538 + 377992539.

It is an arithmetic number, because the mean of its divisors is an integer number (377992539).

Almost surely, 2^755985077 is an apocalyptic number.

It is an amenable number.

755985077 is a deficient number, since it is larger than the sum of its proper divisors (1).

755985077 is an equidigital number, since it uses as much as digits as its factorization.

755985077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3087000, while the sum is 53.

The square root of 755985077 is about 27495.1827962645. The cubic root of 755985077 is about 910.9706974734.

The spelling of 755985077 in words is "seven hundred fifty-five million, nine hundred eighty-five thousand, seventy-seven".