755968877 has 4 divisors (see below), whose sum is σ = 761487036. Its totient is φ = 750450720.

The previous prime is 755968861. The next prime is 755968907. The reversal of 755968877 is 778869557.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 778869557 = 5273 ⋅147709.

It can be written as a sum of positive squares in 2 ways, for example, as 450033796 + 305935081 = 21214^2 + 17491^2 .

It is a cyclic number.

It is not a de Polignac number, because 755968877 - 2⁴ = 755968861 is a prime.

It is a super-2 number, since 2×755968877² = 1142977885985282258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (755968177) 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, 2758874 + ... + 2759147.

It is an arithmetic number, because the mean of its divisors is an integer number (190371759).

Almost surely, 2^755968877 is an apocalyptic number.

It is an amenable number.

755968877 is a deficient number, since it is larger than the sum of its proper divisors (5518159).

755968877 is a wasteful number, since it uses less digits than its factorization.

755968877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5518158.

The product of its digits is 29635200, while the sum is 62.

The square root of 755968877 is about 27494.8881976268. Note that the first 3 decimals coincide. The cubic root of 755968877 is about 910.9641903649.

The spelling of 755968877 in words is "seven hundred fifty-five million, nine hundred sixty-eight thousand, eight hundred seventy-seven".