189077 has 4 divisors (see below), whose sum is σ = 216096. Its totient is φ = 162060.

The previous prime is 189067. The next prime is 189127. The reversal of 189077 is 770981.

189077 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 189077 - 2⁴ = 189061 is a prime.

It is a super-2 number, since 2×189077² = 71500223858, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189017) 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, 13499 + ... + 13512.

It is an arithmetic number, because the mean of its divisors is an integer number (54024).

2¹⁸⁹⁰⁷⁷ is an apocalyptic number.

It is an amenable number.

189077 is a deficient number, since it is larger than the sum of its proper divisors (27019).

189077 is an equidigital number, since it uses as much as digits as its factorization.

189077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27018.

The product of its (nonzero) digits is 3528, while the sum is 32.

The square root of 189077 is about 434.8298517811. The cubic root of 189077 is about 57.3957278484.

It can be divided in two parts, 1890 and 77, that multiplied together give a triangular number (145530 = T₅₃₉).

The spelling of 189077 in words is "one hundred eighty-nine thousand, seventy-seven".