197138480860 has 48 divisors (see below), whose sum is σ = 419091472800. Its totient is φ = 77884350464.

The previous prime is 197138480801. The next prime is 197138480939. The reversal of 197138480860 is 68084831791.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7105896 + ... + 7133584.

It is an arithmetic number, because the mean of its divisors is an integer number (8731072350).

Almost surely, 2^197138480860 is an apocalyptic number.

197138480860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

197138480860 is an abundant number, since it is smaller than the sum of its proper divisors (221952991940).

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

197138480860 is a wasteful number, since it uses less digits than its factorization.

197138480860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32070 (or 32068 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 55.

The spelling of 197138480860 in words is "one hundred ninety-seven billion, one hundred thirty-eight million, four hundred eighty thousand, eight hundred sixty".