189852877 has 2 divisors, whose sum is σ = 189852878. Its totient is φ = 189852876.

The previous prime is 189852853. The next prime is 189852911. The reversal of 189852877 is 778258981.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 139570596 + 50282281 = 11814^2 + 7091^2 .

It is a cyclic number.

It is not a de Polignac number, because 189852877 - 2¹⁹ = 189328589 is a prime.

It is a super-2 number, since 2×189852877² = 72088229810354258, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (189852977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 94926438 + 94926439.

It is an arithmetic number, because the mean of its divisors is an integer number (94926439).

Almost surely, 2^189852877 is an apocalyptic number.

It is an amenable number.

189852877 is a deficient number, since it is larger than the sum of its proper divisors (1).

189852877 is an equidigital number, since it uses as much as digits as its factorization.

189852877 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2257920, while the sum is 55.

The square root of 189852877 is about 13778.7110064766. The cubic root of 189852877 is about 574.7412844932.

The spelling of 189852877 in words is "one hundred eighty-nine million, eight hundred fifty-two thousand, eight hundred seventy-seven".