192972336885 has 12 divisors (see below), whose sum is σ = 334485384012. Its totient is φ = 102918579648.

The previous prime is 192972336881. The next prime is 192972336889. The reversal of 192972336885 is 588633279291.

192972336885 is a `hidden beast` number, since 1 + 9 + 297 + 2 + 336 + 8 + 8 + 5 = 666.

It is an interprime number because it is at equal distance from previous prime (192972336881) and next prime (192972336889).

It can be written as a sum of positive squares in 2 ways, for example, as 91108592964 + 101863743921 = 301842^2 + 319161^2 .

It is not a de Polignac number, because 192972336885 - 2² = 192972336881 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (192972336881) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2144137032 + ... + 2144137121.

It is an arithmetic number, because the mean of its divisors is an integer number (27873782001).

Almost surely, 2^192972336885 is an apocalyptic number.

192972336885 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

192972336885 is a deficient number, since it is larger than the sum of its proper divisors (141513047127).

192972336885 is a wasteful number, since it uses less digits than its factorization.

192972336885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4288274164 (or 4288274161 counting only the distinct ones).

The product of its digits is 39191040, while the sum is 63.

The spelling of 192972336885 in words is "one hundred ninety-two billion, nine hundred seventy-two million, three hundred thirty-six thousand, eight hundred eighty-five".