48378009 has 8 divisors (see below), whose sum is σ = 67899040. Its totient is φ = 30554496.

The previous prime is 48377999. The next prime is 48378019. The reversal of 48378009 is 90087384.

It is an interprime number because it is at equal distance from previous prime (48377999) and next prime (48378019).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 48378009 - 2⁸ = 48377753 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (48378019) 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 7 ways as a sum of consecutive naturals, for example, 424312 + ... + 424425.

It is an arithmetic number, because the mean of its divisors is an integer number (8487380).

Almost surely, 2^48378009 is an apocalyptic number.

It is an amenable number.

48378009 is a deficient number, since it is larger than the sum of its proper divisors (19521031).

48378009 is a wasteful number, since it uses less digits than its factorization.

48378009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 848759.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 48378009 is about 6955.4301808012. The cubic root of 48378009 is about 364.3756361527.

The spelling of 48378009 in words is "forty-eight million, three hundred seventy-eight thousand, nine".