77086 has 4 divisors (see below), whose sum is σ = 115632. Its totient is φ = 38542.

The previous prime is 77081. The next prime is 77093. The reversal of 77086 is 68077.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 68077 = 19 ⋅3583.

It is a super-3 number, since 3×77086³ = 1374193173336168, which contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19270 + ... + 19273.

It is an arithmetic number, because the mean of its divisors is an integer number (28908).

2⁷⁷⁰⁸⁶ is an apocalyptic number.

77086 is a deficient number, since it is larger than the sum of its proper divisors (38546).

77086 is a wasteful number, since it uses less digits than its factorization.

77086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38545.

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 77086 is about 277.6436565096. The cubic root of 77086 is about 42.5590413553.

Subtracting from 77086 its reverse (68077), we obtain a palindrome (9009).

The spelling of 77086 in words is "seventy-seven thousand, eighty-six".