197996487756 has 24 divisors (see below), whose sum is σ = 476894767104. Its totient is φ = 63869834640.

The previous prime is 197996487719. The next prime is 197996487761. The reversal of 197996487756 is 657784699791.

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, 266123940 + ... + 266124683.

It is an arithmetic number, because the mean of its divisors is an integer number (19870615296).

Almost surely, 2^197996487756 is an apocalyptic number.

It is an amenable number.

197996487756 is an abundant number, since it is smaller than the sum of its proper divisors (278898279348).

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

197996487756 is a wasteful number, since it uses less digits than its factorization.

197996487756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532248661 (or 532248659 counting only the distinct ones).

The product of its digits is 1440270720, while the sum is 78.

The spelling of 197996487756 in words is "one hundred ninety-seven billion, nine hundred ninety-six million, four hundred eighty-seven thousand, seven hundred fifty-six".