97788368 has 20 divisors (see below), whose sum is σ = 192572868. Its totient is φ = 48092160.

The previous prime is 97788367. The next prime is 97788389. The reversal of 97788368 is 86388779.

It can be written as a sum of positive squares in 2 ways, for example, as 35188624 + 62599744 = 5932^2 + 7912^2 .

It is a super-2 number, since 2×97788368² = 19125129832206848, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97788367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49121 + ... + 51072.

Almost surely, 2^97788368 is an apocalyptic number.

It is an amenable number.

97788368 is a deficient number, since it is larger than the sum of its proper divisors (94784500).

97788368 is a wasteful number, since it uses less digits than its factorization.

97788368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100262 (or 100256 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 56.

The square root of 97788368 is about 9888.8001294394. The cubic root of 97788368 is about 460.7115138816.

The spelling of 97788368 in words is "ninety-seven million, seven hundred eighty-eight thousand, three hundred sixty-eight".