197441078820 has 24 divisors (see below), whose sum is σ = 552835020864. Its totient is φ = 52650954336.

The previous prime is 197441078761. The next prime is 197441078831. The reversal of 197441078820 is 28870144791.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1645342264 + ... + 1645342383.

It is an arithmetic number, because the mean of its divisors is an integer number (23034792536).

Almost surely, 2^197441078820 is an apocalyptic number.

197441078820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

197441078820 is an abundant number, since it is smaller than the sum of its proper divisors (355393942044).

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

197441078820 is a wasteful number, since it uses less digits than its factorization.

197441078820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3290684659 (or 3290684657 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 51.

The spelling of 197441078820 in words is "one hundred ninety-seven billion, four hundred forty-one million, seventy-eight thousand, eight hundred twenty".