77065835258071 has 32 divisors (see below), whose sum is σ = 85170858324480. Its totient is φ = 69150433488000.

The previous prime is 77065835258053. The next prime is 77065835258117. The reversal of 77065835258071 is 17085253856077.

It is a cyclic number.

It is not a de Polignac number, because 77065835258071 - 2⁹ = 77065835257559 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 77065835257994 and 77065835258012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77065835258471) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 465141681 + ... + 465307333.

It is an arithmetic number, because the mean of its divisors is an integer number (2661589322640).

Almost surely, 2^{77065835258071} is an apocalyptic number.

77065835258071 is a deficient number, since it is larger than the sum of its proper divisors (8105023066409).

77065835258071 is a wasteful number, since it uses less digits than its factorization.

77065835258071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167607.

The product of its (nonzero) digits is 98784000, while the sum is 64.

The spelling of 77065835258071 in words is "seventy-seven trillion, sixty-five billion, eight hundred thirty-five million, two hundred fifty-eight thousand, seventy-one".