97776420288 has 28 divisors (see below), whose sum is σ = 258700112520. Its totient is φ = 32592140032.

The previous prime is 97776420253. The next prime is 97776420293. The reversal of 97776420288 is 88202467779.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254625903 + ... + 254626286.

Almost surely, 2^97776420288 is an apocalyptic number.

It is an amenable number.

97776420288 is an abundant number, since it is smaller than the sum of its proper divisors (160923692232).

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

97776420288 is a wasteful number, since it uses less digits than its factorization.

97776420288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509252204 (or 509252194 counting only the distinct ones).

The product of its (nonzero) digits is 18966528, while the sum is 60.

The spelling of 97776420288 in words is "ninety-seven billion, seven hundred seventy-six million, four hundred twenty thousand, two hundred eighty-eight".