755977 has 2 divisors, whose sum is σ = 755978. Its totient is φ = 755976.

The previous prime is 755969. The next prime is 756011. The reversal of 755977 is 779557.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 646416 + 109561 = 804^2 + 331^2 .

It is a cyclic number.

It is not a de Polignac number, because 755977 - 2³ = 755969 is a prime.

It is not a weakly prime, because it can be changed into another prime (755077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 377988 + 377989.

It is an arithmetic number, because the mean of its divisors is an integer number (377989).

2⁷⁵⁵⁹⁷⁷ is an apocalyptic number.

It is an amenable number.

755977 is a deficient number, since it is larger than the sum of its proper divisors (1).

755977 is an equidigital number, since it uses as much as digits as its factorization.

755977 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77175, while the sum is 40.

The square root of 755977 is about 869.4693784142. The cubic root of 755977 is about 91.0967453169.

The spelling of 755977 in words is "seven hundred fifty-five thousand, nine hundred seventy-seven".