192868341887 has 4 divisors (see below), whose sum is σ = 207704368200. Its totient is φ = 178032315576.

The previous prime is 192868341871. The next prime is 192868341899. The reversal of 192868341887 is 788143868291.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 192868341887 - 2⁴ = 192868341871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (192868341857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7418013137 + ... + 7418013162.

It is an arithmetic number, because the mean of its divisors is an integer number (51926092050).

Almost surely, 2^192868341887 is an apocalyptic number.

192868341887 is a deficient number, since it is larger than the sum of its proper divisors (14836026313).

192868341887 is a wasteful number, since it uses less digits than its factorization.

192868341887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14836026312.

The product of its digits is 37158912, while the sum is 65.

The spelling of 192868341887 in words is "one hundred ninety-two billion, eight hundred sixty-eight million, three hundred forty-one thousand, eight hundred eighty-seven".