45578332777 has 2 divisors, whose sum is σ = 45578332778. Its totient is φ = 45578332776.

The previous prime is 45578332771. The next prime is 45578332867. The reversal of 45578332777 is 77723387554.

45578332777 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29976074496 + 15602258281 = 173136^2 + 124909^2 .

It is a cyclic number.

It is not a de Polignac number, because 45578332777 - 2⁷ = 45578332649 is a prime.

It is not a weakly prime, because it can be changed into another prime (45578332771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22789166388 + 22789166389.

It is an arithmetic number, because the mean of its divisors is an integer number (22789166389).

Almost surely, 2^45578332777 is an apocalyptic number.

It is an amenable number.

45578332777 is a deficient number, since it is larger than the sum of its proper divisors (1).

45578332777 is an equidigital number, since it uses as much as digits as its factorization.

45578332777 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34574400, while the sum is 58.

The spelling of 45578332777 in words is "forty-five billion, five hundred seventy-eight million, three hundred thirty-two thousand, seven hundred seventy-seven".