197932576520436 has 48 divisors (see below), whose sum is σ = 465017452626048. Its totient is φ = 65524204800000.

The previous prime is 197932576520417. The next prime is 197932576520453. The reversal of 197932576520436 is 634025675239791.

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, 6401065 + ... + 20900688.

It is an arithmetic number, because the mean of its divisors is an integer number (9687863596376).

Almost surely, 2^{197932576520436} is an apocalyptic number.

It is an amenable number.

197932576520436 is an abundant number, since it is smaller than the sum of its proper divisors (267084876105612).

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

197932576520436 is a wasteful number, since it uses less digits than its factorization.

197932576520436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27305912 (or 27305910 counting only the distinct ones).

The product of its (nonzero) digits is 514382400, while the sum is 69.

The spelling of 197932576520436 in words is "one hundred ninety-seven trillion, nine hundred thirty-two billion, five hundred seventy-six million, five hundred twenty thousand, four hundred thirty-six".