198769032488 has 32 divisors (see below), whose sum is σ = 403039929600. Its totient is φ = 91355694528.

The previous prime is 198769032487. The next prime is 198769032491. The reversal of 198769032488 is 884230967891.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (198769032487) 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, 3973556 + ... + 4023267.

It is an arithmetic number, because the mean of its divisors is an integer number (12594997800).

Almost surely, 2^198769032488 is an apocalyptic number.

It is an amenable number.

198769032488 is an abundant number, since it is smaller than the sum of its proper divisors (204270897112).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

198769032488 is a wasteful number, since it uses less digits than its factorization.

198769032488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7997081 (or 7997077 counting only the distinct ones).

The product of its (nonzero) digits is 41803776, while the sum is 65.

The spelling of 198769032488 in words is "one hundred ninety-eight billion, seven hundred sixty-nine million, thirty-two thousand, four hundred eighty-eight".