77444330441 has 16 divisors (see below), whose sum is σ = 78427440000. Its totient is φ = 76467111168.

The previous prime is 77444330419. The next prime is 77444330477. The reversal of 77444330441 is 14403344477.

It is a cyclic number.

It is not a de Polignac number, because 77444330441 - 2²⁶ = 77377221577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77444336441) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47307875 + ... + 47309511.

It is an arithmetic number, because the mean of its divisors is an integer number (4901715000).

Almost surely, 2^77444330441 is an apocalyptic number.

It is an amenable number.

77444330441 is a deficient number, since it is larger than the sum of its proper divisors (983109559).

77444330441 is a wasteful number, since it uses less digits than its factorization.

77444330441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3088.

The product of its (nonzero) digits is 451584, while the sum is 41.

The spelling of 77444330441 in words is "seventy-seven billion, four hundred forty-four million, three hundred thirty thousand, four hundred forty-one".