197880712902 has 24 divisors (see below), whose sum is σ = 428794785120. Its totient is φ = 65952046800.

The previous prime is 197880712901. The next prime is 197880712919. The reversal of 197880712902 is 209217088791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197880712901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 532702 + ... + 824337.

It is an arithmetic number, because the mean of its divisors is an integer number (17866449380).

Almost surely, 2^197880712902 is an apocalyptic number.

197880712902 is an abundant number, since it is smaller than the sum of its proper divisors (230914072218).

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

197880712902 is a wasteful number, since it uses less digits than its factorization.

197880712902 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1365148 (or 1365145 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 54.

The spelling of 197880712902 in words is "one hundred ninety-seven billion, eight hundred eighty million, seven hundred twelve thousand, nine hundred two".