77044544057163 has 8 divisors (see below), whose sum is σ = 103963722101568. Its totient is φ = 50744197692104.

The previous prime is 77044544057161. The next prime is 77044544057179. The reversal of 77044544057163 is 36175044544077.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 77044544057163 - 2¹ = 77044544057161 is a prime.

It is a super-2 number, since 2×77044544057163² (a number of 29 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 154707919545 + ... + 154707920042.

It is an arithmetic number, because the mean of its divisors is an integer number (12995465262696).

Almost surely, 2^{77044544057163} is an apocalyptic number.

77044544057163 is a deficient number, since it is larger than the sum of its proper divisors (26919178044405).

77044544057163 is a wasteful number, since it uses less digits than its factorization.

77044544057163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309415839673.

The product of its (nonzero) digits is 39513600, while the sum is 57.

The spelling of 77044544057163 in words is "seventy-seven trillion, forty-four billion, five hundred forty-four million, fifty-seven thousand, one hundred sixty-three".