455940077 has 2 divisors, whose sum is σ = 455940078. Its totient is φ = 455940076.

The previous prime is 455940041. The next prime is 455940083. The reversal of 455940077 is 770049554.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 233661796 + 222278281 = 15286^2 + 14909^2 .

It is a cyclic number.

It is not a de Polignac number, because 455940077 - 2¹² = 455935981 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (455940097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 227970038 + 227970039.

It is an arithmetic number, because the mean of its divisors is an integer number (227970039).

Almost surely, 2^455940077 is an apocalyptic number.

It is an amenable number.

455940077 is a deficient number, since it is larger than the sum of its proper divisors (1).

455940077 is an equidigital number, since it uses as much as digits as its factorization.

455940077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 176400, while the sum is 41.

The square root of 455940077 is about 21352.7533821753. The cubic root of 455940077 is about 769.6665093203. Note that the first 3 decimals are identical.

The spelling of 455940077 in words is "four hundred fifty-five million, nine hundred forty thousand, seventy-seven".