3909888479 has 8 divisors (see below), whose sum is σ = 4507988640. Its totient is φ = 3321674496.

The previous prime is 3909888469. The next prime is 3909888481. The reversal of 3909888479 is 9748889093.

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

It is not a de Polignac number, because 3909888479 - 2⁸ = 3909888223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3909888469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2470694 + ... + 2472275.

It is an arithmetic number, because the mean of its divisors is an integer number (563498580).

Almost surely, 2^3909888479 is an apocalyptic number.

3909888479 is a deficient number, since it is larger than the sum of its proper divisors (598100161).

3909888479 is a wasteful number, since it uses less digits than its factorization.

3909888479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4943089.

The product of its (nonzero) digits is 31352832, while the sum is 65.

The square root of 3909888479 is about 62529.1010570278. The cubic root of 3909888479 is about 1575.3901415633.

The spelling of 3909888479 in words is "three billion, nine hundred nine million, eight hundred eighty-eight thousand, four hundred seventy-nine".