87077 has 4 divisors (see below), whose sum is σ = 91680. Its totient is φ = 82476.

The previous prime is 87071. The next prime is 87083. The reversal of 87077 is 77078.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (87071) and next prime (87083).

It is a cyclic number.

It is not a de Polignac number, because 87077 - 2⁶ = 87013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2273 + ... + 2310.

It is an arithmetic number, because the mean of its divisors is an integer number (22920).

2⁸⁷⁰⁷⁷ is an apocalyptic number.

It is an amenable number.

87077 is a deficient number, since it is larger than the sum of its proper divisors (4603).

87077 is a wasteful number, since it uses less digits than its factorization.

87077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4602.

The product of its (nonzero) digits is 2744, while the sum is 29.

The square root of 87077 is about 295.0881224312. The cubic root of 87077 is about 44.3235448016.

Subtracting from 87077 its reverse (77078), we obtain a palindrome (9999).

It can be divided in two parts, 8 and 7077, that multiplied together give a triangular number (56616 = T₃₃₆).

The spelling of 87077 in words is "eighty-seven thousand, seventy-seven".