77344344105 has 16 divisors (see below), whose sum is σ = 141429657984. Its totient is φ = 35357414400.

The previous prime is 77344344101. The next prime is 77344344137. The reversal of 77344344105 is 50144344377.

It is not a de Polignac number, because 77344344105 - 2² = 77344344101 is a prime.

It is not an unprimeable number, because it can be changed into a prime (77344344101) 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, 368306296 + ... + 368306505.

It is an arithmetic number, because the mean of its divisors is an integer number (8839353624).

Almost surely, 2^77344344105 is an apocalyptic number.

It is an amenable number.

77344344105 is a deficient number, since it is larger than the sum of its proper divisors (64085313879).

77344344105 is a wasteful number, since it uses less digits than its factorization.

77344344105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 736612816.

The product of its (nonzero) digits is 564480, while the sum is 42.

The spelling of 77344344105 in words is "seventy-seven billion, three hundred forty-four million, three hundred forty-four thousand, one hundred five".