197805052844 has 48 divisors (see below), whose sum is σ = 414683867136. Its totient is φ = 80782531200.

The previous prime is 197805052843. The next prime is 197805052919. The reversal of 197805052844 is 448250508791.

It is not an unprimeable number, because it can be changed into a prime (197805052843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1954172 + ... + 2052899.

It is an arithmetic number, because the mean of its divisors is an integer number (8639247232).

Almost surely, 2^197805052844 is an apocalyptic number.

197805052844 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

197805052844 is an abundant number, since it is smaller than the sum of its proper divisors (216878814292).

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

197805052844 is a wasteful number, since it uses less digits than its factorization.

197805052844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4007166 (or 4007164 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 53.

The spelling of 197805052844 in words is "one hundred ninety-seven billion, eight hundred five million, fifty-two thousand, eight hundred forty-four".