452378077 has 2 divisors, whose sum is σ = 452378078. Its totient is φ = 452378076.

The previous prime is 452378039. The next prime is 452378081. The reversal of 452378077 is 770873254.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 240064036 + 212314041 = 15494^2 + 14571^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-452378077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (452378977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226189038 + 226189039.

It is an arithmetic number, because the mean of its divisors is an integer number (226189039).

Almost surely, 2^452378077 is an apocalyptic number.

It is an amenable number.

452378077 is a deficient number, since it is larger than the sum of its proper divisors (1).

452378077 is an equidigital number, since it uses as much as digits as its factorization.

452378077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 329280, while the sum is 43.

The square root of 452378077 is about 21269.1813899830. The cubic root of 452378077 is about 767.6569450606.

The spelling of 452378077 in words is "four hundred fifty-two million, three hundred seventy-eight thousand, seventy-seven".