192870089 has 2 divisors, whose sum is σ = 192870090. Its totient is φ = 192870088.

The previous prime is 192870079. The next prime is 192870101. The reversal of 192870089 is 980078291.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 131905225 + 60964864 = 11485^2 + 7808^2 .

It is a cyclic number.

It is not a de Polignac number, because 192870089 - 2¹⁶ = 192804553 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (192870079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96435044 + 96435045.

It is an arithmetic number, because the mean of its divisors is an integer number (96435045).

Almost surely, 2^192870089 is an apocalyptic number.

It is an amenable number.

192870089 is a deficient number, since it is larger than the sum of its proper divisors (1).

192870089 is an equidigital number, since it uses as much as digits as its factorization.

192870089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72576, while the sum is 44.

The square root of 192870089 is about 13887.7676031823. The cubic root of 192870089 is about 577.7699632969.

The spelling of 192870089 in words is "one hundred ninety-two million, eight hundred seventy thousand, eighty-nine".