100009378 has 32 divisors (see below), whose sum is σ = 175488768. Its totient is φ = 41860800.

The previous prime is 100009363. The next prime is 100009387. The reversal of 100009378 is 873900001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 154251 + ... + 154897.

It is an arithmetic number, because the mean of its divisors is an integer number (5484024).

Almost surely, 2^100009378 is an apocalyptic number.

100009378 is a deficient number, since it is larger than the sum of its proper divisors (75479390).

100009378 is a wasteful number, since it uses less digits than its factorization.

100009378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 898.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 100009378 is about 10000.4688890072. The cubic root of 100009378 is about 464.1733925144.

Adding to 100009378 its reverse (873900001), we get a palindrome (973909379).

The spelling of 100009378 in words is "one hundred million, nine thousand, three hundred seventy-eight".