77044544057162 has 128 divisors (see below), whose sum is σ = 133101789511680. Its totient is φ = 33105894877440.

The previous prime is 77044544057161. The next prime is 77044544057179. The reversal of 77044544057162 is 26175044544077.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 77044544057098 and 77044544057107.

It is not an unprimeable number, because it can be changed into a prime (77044544057161) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21807115148 + ... + 21807118680.

It is an arithmetic number, because the mean of its divisors is an integer number (1039857730560).

Almost surely, 2^{77044544057162} is an apocalyptic number.

77044544057162 is a deficient number, since it is larger than the sum of its proper divisors (56057245454518).

77044544057162 is a wasteful number, since it uses less digits than its factorization.

77044544057162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4908.

The product of its (nonzero) digits is 26342400, while the sum is 56.

The spelling of 77044544057162 in words is "seventy-seven trillion, forty-four billion, five hundred forty-four million, fifty-seven thousand, one hundred sixty-two".