77108 has 12 divisors (see below), whose sum is σ = 138852. Its totient is φ = 37440.

The previous prime is 77101. The next prime is 77137. The reversal of 77108 is 80177.

It can be written as a sum of positive squares in 2 ways, for example, as 47524 + 29584 = 218^2 + 172^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77101) by changing a digit.

77108 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113 + ... + 408.

It is an arithmetic number, because the mean of its divisors is an integer number (11571).

2⁷⁷¹⁰⁸ is an apocalyptic number.

It is an amenable number.

77108 is a deficient number, since it is larger than the sum of its proper divisors (61744).

77108 is a wasteful number, since it uses less digits than its factorization.

77108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562 (or 560 counting only the distinct ones).

The product of its (nonzero) digits is 392, while the sum is 23.

The square root of 77108 is about 277.6832728127. The cubic root of 77108 is about 42.5630896903.

The spelling of 77108 in words is "seventy-seven thousand, one hundred eight".