755425777 has 4 divisors (see below), whose sum is σ = 788270400. Its totient is φ = 722581156.

The previous prime is 755425747. The next prime is 755425841. The reversal of 755425777 is 777524557.

It is a happy number.

755425777 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 777524557 = 79 ⋅9842083.

It is not a de Polignac number, because 755425777 - 2²³ = 747037169 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 755425777.

It is not an unprimeable number, because it can be changed into a prime (755425717) 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, 16422277 + ... + 16422322.

It is an arithmetic number, because the mean of its divisors is an integer number (197067600).

Almost surely, 2^755425777 is an apocalyptic number.

It is an amenable number.

755425777 is a deficient number, since it is larger than the sum of its proper divisors (32844623).

755425777 is a wasteful number, since it uses less digits than its factorization.

755425777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32844622.

The product of its digits is 2401000, while the sum is 49.

The square root of 755425777 is about 27485.0100418392. The cubic root of 755425777 is about 910.7459877415.

The spelling of 755425777 in words is "seven hundred fifty-five million, four hundred twenty-five thousand, seven hundred seventy-seven".