197281474092 has 72 divisors (see below), whose sum is σ = 508512317040. Its totient is φ = 64466463360.

The previous prime is 197281474087. The next prime is 197281474097. The reversal of 197281474092 is 290474182791.

197281474092 is a `hidden beast` number, since 1 + 9 + 7 + 2 + 81 + 474 + 0 + 92 = 666.

It is an interprime number because it is at equal distance from previous prime (197281474087) and next prime (197281474097).

It is not an unprimeable number, because it can be changed into a prime (197281474097) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2302867 + ... + 2386997.

It is an arithmetic number, because the mean of its divisors is an integer number (7062671070).

Almost surely, 2^197281474092 is an apocalyptic number.

197281474092 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 197281474092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (254256158520).

197281474092 is an abundant number, since it is smaller than the sum of its proper divisors (311230842948).

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

197281474092 is a wasteful number, since it uses less digits than its factorization.

197281474092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85423 (or 85418 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 54.

The spelling of 197281474092 in words is "one hundred ninety-seven billion, two hundred eighty-one million, four hundred seventy-four thousand, ninety-two".