77795 has 4 divisors (see below), whose sum is σ = 93360. Its totient is φ = 62232.

The previous prime is 77783. The next prime is 77797. The reversal of 77795 is 59777.

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

It is a cyclic number.

It is not a de Polignac number, because 77795 - 2⁶ = 77731 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 77795.

It is not an unprimeable number, because it can be changed into a prime (77797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7775 + ... + 7784.

It is an arithmetic number, because the mean of its divisors is an integer number (23340).

2⁷⁷⁷⁹⁵ is an apocalyptic number.

77795 is a deficient number, since it is larger than the sum of its proper divisors (15565).

77795 is a wasteful number, since it uses less digits than its factorization.

77795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15564.

The product of its digits is 15435, while the sum is 35.

The square root of 77795 is about 278.9175505414. The cubic root of 77795 is about 42.6891225650.

The spelling of 77795 in words is "seventy-seven thousand, seven hundred ninety-five".