97796069780 has 24 divisors (see below), whose sum is σ = 205817257800. Its totient is φ = 39033568640.

The previous prime is 97796069753. The next prime is 97796069803. The reversal of 97796069780 is 8796069779.

It can be written as a sum of positive squares in 4 ways, for example, as 104816644 + 97691253136 = 10238^2 + 312556^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 97796069780.

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 7 ways as a sum of consecutive naturals, for example, 5294255 + ... + 5312694.

It is an arithmetic number, because the mean of its divisors is an integer number (8575719075).

Almost surely, 2^97796069780 is an apocalyptic number.

It is an amenable number.

97796069780 is an abundant number, since it is smaller than the sum of its proper divisors (108021188020).

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

97796069780 is a wasteful number, since it uses less digits than its factorization.

97796069780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10607419 (or 10607417 counting only the distinct ones).

The product of its (nonzero) digits is 72013536, while the sum is 68.

The spelling of 97796069780 in words is "ninety-seven billion, seven hundred ninety-six million, sixty-nine thousand, seven hundred eighty".