97776265180 has 72 divisors (see below), whose sum is σ = 236406507120. Its totient is φ = 33683662080.

The previous prime is 97776265129. The next prime is 97776265183. The reversal of 97776265180 is 8156267779.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97776265183) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 536145 + ... + 694984.

It is an arithmetic number, because the mean of its divisors is an integer number (3283423710).

Almost surely, 2^97776265180 is an apocalyptic number.

It is an amenable number.

97776265180 is an abundant number, since it is smaller than the sum of its proper divisors (138630241940).

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

97776265180 is a wasteful number, since it uses less digits than its factorization.

97776265180 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1231187 (or 1231166 counting only the distinct ones).

The product of its (nonzero) digits is 8890560, while the sum is 58.

The spelling of 97776265180 in words is "ninety-seven billion, seven hundred seventy-six million, two hundred sixty-five thousand, one hundred eighty".