84077 has 4 divisors (see below), whose sum is σ = 96096. Its totient is φ = 72060.

The previous prime is 84067. The next prime is 84089. The reversal of 84077 is 77048.

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 a cyclic number.

It is not a de Polignac number, because 84077 - 2⁴ = 84061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5999 + ... + 6012.

It is an arithmetic number, because the mean of its divisors is an integer number (24024).

2⁸⁴⁰⁷⁷ is an apocalyptic number.

It is an amenable number.

84077 is a deficient number, since it is larger than the sum of its proper divisors (12019).

84077 is a wasteful number, since it uses less digits than its factorization.

84077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12018.

The product of its (nonzero) digits is 1568, while the sum is 26.

The square root of 84077 is about 289.9603421160. The cubic root of 84077 is about 43.8085691761.

The spelling of 84077 in words is "eighty-four thousand, seventy-seven".