197679785470720 has 288 divisors, whose sum is σ = 546582631916160. Its totient is φ = 67095507763200.

The previous prime is 197679785470709. The next prime is 197679785470729. The reversal of 197679785470720 is 27074587976791.

It is not an unprimeable number, because it can be changed into a prime (197679785470729) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10397075934 + ... + 10397094946.

It is an arithmetic number, because the mean of its divisors is an integer number (1897856360820).

Almost surely, 2^{197679785470720} is an apocalyptic number.

197679785470720 is a gapful number since it is divisible by the number (10) 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 197679785470720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (273291315958080).

197679785470720 is an abundant number, since it is smaller than the sum of its proper divisors (348902846445440).

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

197679785470720 is a wasteful number, since it uses less digits than its factorization.

197679785470720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30631 (or 30617 counting only the distinct ones).

The product of its (nonzero) digits is 2613824640, while the sum is 79.

The spelling of 197679785470720 in words is "one hundred ninety-seven trillion, six hundred seventy-nine billion, seven hundred eighty-five million, four hundred seventy thousand, seven hundred twenty".