77407034383444 has 12 divisors (see below), whose sum is σ = 143430681357684. Its totient is φ = 36426839709824.

The previous prime is 77407034383429. The next prime is 77407034383451. The reversal of 77407034383444 is 44438343070477.

It can be written as a sum of positive squares in 2 ways, for example, as 69825877891344 + 7581156492100 = 8356188^2 + 2753390^2 .

It is a super-2 number, since 2×77407034383444² (a number of 29 digits) contains 22 as substring.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 569169370399 + ... + 569169370534.

It is an arithmetic number, because the mean of its divisors is an integer number (11952556779807).

Almost surely, 2^{77407034383444} is an apocalyptic number.

It is an amenable number.

77407034383444 is a deficient number, since it is larger than the sum of its proper divisors (66023646974240).

77407034383444 is a wasteful number, since it uses less digits than its factorization.

77407034383444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1138338740954 (or 1138338740952 counting only the distinct ones).

The product of its (nonzero) digits is 75866112, while the sum is 58.

The spelling of 77407034383444 in words is "seventy-seven trillion, four hundred seven billion, thirty-four million, three hundred eighty-three thousand, four hundred forty-four".