197839892095 has 8 divisors (see below), whose sum is σ = 237879857376. Its totient is φ = 157957255776.

The previous prime is 197839892083. The next prime is 197839892099. The reversal of 197839892095 is 590298938791.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 197839892095 - 2²³ = 197831503487 is a prime.

It is a super-2 number, since 2×197839892095² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197839892099) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39329472 + ... + 39334501.

It is an arithmetic number, because the mean of its divisors is an integer number (29734982172).

Almost surely, 2^197839892095 is an apocalyptic number.

197839892095 is a deficient number, since it is larger than the sum of its proper divisors (40039965281).

197839892095 is an equidigital number, since it uses as much as digits as its factorization.

197839892095 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78664481.

The product of its (nonzero) digits is 88179840, while the sum is 70.

The spelling of 197839892095 in words is "one hundred ninety-seven billion, eight hundred thirty-nine million, eight hundred ninety-two thousand, ninety-five".