198075877231 has 8 divisors (see below), whose sum is σ = 198585520128. Its totient is φ = 197566467000.

The previous prime is 198075877201. The next prime is 198075877267. The reversal of 198075877231 is 132778570891.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-198075877231 is a prime.

It is a super-2 number, since 2×198075877231² (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 (198075877201) 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, 1715946 + ... + 1827736.

It is an arithmetic number, because the mean of its divisors is an integer number (24823190016).

Almost surely, 2^198075877231 is an apocalyptic number.

198075877231 is a deficient number, since it is larger than the sum of its proper divisors (509642897).

198075877231 is a wasteful number, since it uses less digits than its factorization.

198075877231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116333.

The product of its (nonzero) digits is 5927040, while the sum is 58.

The spelling of 198075877231 in words is "one hundred ninety-eight billion, seventy-five million, eight hundred seventy-seven thousand, two hundred thirty-one".