97800681930 has 64 divisors (see below), whose sum is σ = 284032915200. Its totient is φ = 21039473664.

The previous prime is 97800681929. The next prime is 97800681973. The reversal of 97800681930 is 3918600879.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13694005 + ... + 13701144.

It is an arithmetic number, because the mean of its divisors is an integer number (4438014300).

Almost surely, 2^97800681930 is an apocalyptic number.

97800681930 is an abundant number, since it is smaller than the sum of its proper divisors (186232233270).

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

97800681930 is a wasteful number, since it uses less digits than its factorization.

97800681930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27395183.

The product of its (nonzero) digits is 653184, while the sum is 51.

The spelling of 97800681930 in words is "ninety-seven billion, eight hundred million, six hundred eighty-one thousand, nine hundred thirty".