77016144411757 has 4 divisors (see below), whose sum is σ = 77126010524316. Its totient is φ = 76906278299200.

The previous prime is 77016144411737. The next prime is 77016144411781. The reversal of 77016144411757 is 75711444161077.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 71373671510436 + 5642472901321 = 8448294^2 + 2375389^2 .

It is a cyclic number.

It is not a de Polignac number, because 77016144411757 - 2¹⁹ = 77016143887469 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 77016144411698 and 77016144411707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77016144411737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54933055228 + ... + 54933056629.

It is an arithmetic number, because the mean of its divisors is an integer number (19281502631079).

Almost surely, 2^{77016144411757} is an apocalyptic number.

It is an amenable number.

77016144411757 is a deficient number, since it is larger than the sum of its proper divisors (109866112559).

77016144411757 is a wasteful number, since it uses less digits than its factorization.

77016144411757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109866112558.

The product of its (nonzero) digits is 4609920, while the sum is 55.

The spelling of 77016144411757 in words is "seventy-seven trillion, sixteen billion, one hundred forty-four million, four hundred eleven thousand, seven hundred fifty-seven".