453378157787 has 2 divisors, whose sum is σ = 453378157788. Its totient is φ = 453378157786.

The previous prime is 453378157747. The next prime is 453378157811. The reversal of 453378157787 is 787751873354.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-453378157787 is a prime.

It is not a weakly prime, because it can be changed into another prime (453378157717) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 226689078893 + 226689078894.

It is an arithmetic number, because the mean of its divisors is an integer number (226689078894).

Almost surely, 2^453378157787 is an apocalyptic number.

453378157787 is a deficient number, since it is larger than the sum of its proper divisors (1).

453378157787 is an equidigital number, since it uses as much as digits as its factorization.

453378157787 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 138297600, while the sum is 65.

The spelling of 453378157787 in words is "four hundred fifty-three billion, three hundred seventy-eight million, one hundred fifty-seven thousand, seven hundred eighty-seven".