189776485359 has 16 divisors (see below), whose sum is σ = 286455074400. Its totient is φ = 124130530368.

The previous prime is 189776485337. The next prime is 189776485399. The reversal of 189776485359 is 953584677981.

189776485359 is a `hidden beast` number, since 1 + 8 + 97 + 7 + 6 + 485 + 3 + 59 = 666.

It is not a de Polignac number, because 189776485359 - 2¹³ = 189776477167 is a prime.

It is a super-2 number, since 2×189776485359² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189776485309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66307614 + ... + 66310475.

It is an arithmetic number, because the mean of its divisors is an integer number (17903442150).

Almost surely, 2^189776485359 is an apocalyptic number.

189776485359 is a deficient number, since it is larger than the sum of its proper divisors (96678589041).

189776485359 is a wasteful number, since it uses less digits than its factorization.

189776485359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132618151 (or 132618145 counting only the distinct ones).

The product of its digits is 457228800, while the sum is 72.

The spelling of 189776485359 in words is "one hundred eighty-nine billion, seven hundred seventy-six million, four hundred eighty-five thousand, three hundred fifty-nine".