197907812832 has 24 divisors (see below), whose sum is σ = 519508008936. Its totient is φ = 65969270912.

The previous prime is 197907812827. The next prime is 197907812857. The reversal of 197907812832 is 238218709791.

197907812832 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1030769763 + ... + 1030769954.

It is an arithmetic number, because the mean of its divisors is an integer number (21646167039).

Almost surely, 2^197907812832 is an apocalyptic number.

197907812832 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

197907812832 is an abundant number, since it is smaller than the sum of its proper divisors (321600196104).

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

197907812832 is a wasteful number, since it uses less digits than its factorization.

197907812832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2061539730 (or 2061539722 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 57.

The spelling of 197907812832 in words is "one hundred ninety-seven billion, nine hundred seven million, eight hundred twelve thousand, eight hundred thirty-two".