45742771777 has 4 divisors (see below), whose sum is σ = 48433523076. Its totient is φ = 43052020480.

The previous prime is 45742771759. The next prime is 45742771783. The reversal of 45742771777 is 77717724754.

It is a happy number.

45742771777 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 29663517361 + 16079254416 = 172231^2 + 126804^2 .

It is a cyclic number.

It is not a de Polignac number, because 45742771777 - 2²³ = 45734383169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45742771747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1345375624 + ... + 1345375657.

It is an arithmetic number, because the mean of its divisors is an integer number (12108380769).

Almost surely, 2^45742771777 is an apocalyptic number.

It is an amenable number.

45742771777 is a deficient number, since it is larger than the sum of its proper divisors (2690751299).

45742771777 is a wasteful number, since it uses less digits than its factorization.

45742771777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2690751298.

The product of its digits is 18823840, while the sum is 58.

The spelling of 45742771777 in words is "forty-five billion, seven hundred forty-two million, seven hundred seventy-one thousand, seven hundred seventy-seven".