100447479 has 16 divisors (see below), whose sum is σ = 162339840. Its totient is φ = 60877080.

The previous prime is 100447469. The next prime is 100447481. The reversal of 100447479 is 974744001.

It is not a de Polignac number, because 100447479 - 2²⁴ = 83670263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100447469) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 168807 + ... + 169400.

It is an arithmetic number, because the mean of its divisors is an integer number (10146240).

Almost surely, 2^100447479 is an apocalyptic number.

100447479 is a deficient number, since it is larger than the sum of its proper divisors (61892361).

100447479 is a wasteful number, since it uses less digits than its factorization.

100447479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338227 (or 338221 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 100447479 is about 10022.3489761632. The cubic root of 100447479 is about 464.8501910753.

The spelling of 100447479 in words is "one hundred million, four hundred forty-seven thousand, four hundred seventy-nine".