100447768 has 16 divisors (see below), whose sum is σ = 190282680. Its totient is φ = 49705728.

The previous prime is 100447759. The next prime is 100447769. The reversal of 100447768 is 867744001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100447769) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63946 + ... + 65497.

Almost surely, 2^100447768 is an apocalyptic number.

It is an amenable number.

100447768 is a deficient number, since it is larger than the sum of its proper divisors (89834912).

100447768 is a wasteful number, since it uses less digits than its factorization.

100447768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129546 (or 129542 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 37.

The square root of 100447768 is about 10022.3633939306. The cubic root of 100447768 is about 464.8506368857.

The spelling of 100447768 in words is "one hundred million, four hundred forty-seven thousand, seven hundred sixty-eight".