189077009 has 8 divisors (see below), whose sum is σ = 218399328. Its totient is φ = 161776960.

The previous prime is 189076991. The next prime is 189077039. The reversal of 189077009 is 900770981.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 189077009 - 2¹² = 189072913 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (189077039) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 505367 + ... + 505740.

It is an arithmetic number, because the mean of its divisors is an integer number (27299916).

Almost surely, 2^189077009 is an apocalyptic number.

It is an amenable number.

189077009 is a deficient number, since it is larger than the sum of its proper divisors (29322319).

189077009 is a wasteful number, since it uses less digits than its factorization.

189077009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1011135.

The product of its (nonzero) digits is 31752, while the sum is 41.

The square root of 189077009 is about 13750.5275898781. The cubic root of 189077009 is about 573.9572875905.

The spelling of 189077009 in words is "one hundred eighty-nine million, seventy-seven thousand, nine".