775732277042 has 18 divisors (see below), whose sum is σ = 1167326483799. Its totient is φ = 386627411200.

The previous prime is 775732276951. The next prime is 775732277063. The reversal of 775732277042 is 240772237577.

It can be written as a sum of positive squares in 5 ways, for example, as 695207431681 + 80524845361 = 833791^2 + 283769^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=622789.

It is a Duffinian number.

It is an unprimeable number.

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 in 8 ways as a sum of consecutive naturals, for example, 484529042 + ... + 484530642.

Almost surely, 2^775732277042 is an apocalyptic number.

775732277042 is a deficient number, since it is larger than the sum of its proper divisors (391594206757).

775732277042 is an frugal number, since it uses more digits than its factorization.

775732277042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3982 (or 1992 counting only the distinct ones).

The product of its (nonzero) digits is 8067360, while the sum is 53.

The spelling of 775732277042 in words is "seven hundred seventy-five billion, seven hundred thirty-two million, two hundred seventy-seven thousand, forty-two".