197511872448 has 56 divisors (see below), whose sum is σ = 570091092480. Its totient is φ = 59852081920.

The previous prime is 197511872447. The next prime is 197511872449. The reversal of 197511872448 is 844278115791.

197511872448 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (197511872447) and next prime (197511872449).

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197511872447) 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, 46757328 + ... + 46761551.

It is an arithmetic number, because the mean of its divisors is an integer number (10180198080).

Almost surely, 2^197511872448 is an apocalyptic number.

It is an amenable number.

197511872448 is an abundant number, since it is smaller than the sum of its proper divisors (372579220032).

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

197511872448 is a wasteful number, since it uses less digits than its factorization.

197511872448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93518905 (or 93518895 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 57.

The spelling of 197511872448 in words is "one hundred ninety-seven billion, five hundred eleven million, eight hundred seventy-two thousand, four hundred forty-eight".