97259197780 has 12 divisors (see below), whose sum is σ = 204244315380. Its totient is φ = 38903679104.

The previous prime is 97259197771. The next prime is 97259197817. The reversal of 97259197780 is 8779195279.

It can be written as a sum of positive squares in 2 ways, for example, as 33957644176 + 63301553604 = 184276^2 + 251598^2 .

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 2431479925 + ... + 2431479964.

It is an arithmetic number, because the mean of its divisors is an integer number (17020359615).

Almost surely, 2^97259197780 is an apocalyptic number.

It is an amenable number.

97259197780 is an abundant number, since it is smaller than the sum of its proper divisors (106985117600).

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

97259197780 is a wasteful number, since it uses less digits than its factorization.

97259197780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4862959898 (or 4862959896 counting only the distinct ones).

The product of its (nonzero) digits is 20003760, while the sum is 64.

The spelling of 97259197780 in words is "ninety-seven billion, two hundred fifty-nine million, one hundred ninety-seven thousand, seven hundred eighty".