3881109478 has 8 divisors (see below), whose sum is σ = 5823500472. Its totient is φ = 1939942656.

The previous prime is 3881109473. The next prime is 3881109521. The reversal of 3881109478 is 8749011883.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3881109473) 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, 298075 + ... + 310822.

It is an arithmetic number, because the mean of its divisors is an integer number (727937559).

Almost surely, 2^3881109478 is an apocalyptic number.

3881109478 is a deficient number, since it is larger than the sum of its proper divisors (1942390994).

3881109478 is a wasteful number, since it uses less digits than its factorization.

3881109478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612086.

The product of its (nonzero) digits is 387072, while the sum is 49.

The square root of 3881109478 is about 62298.5511709542. The cubic root of 3881109478 is about 1571.5153635471.

The spelling of 3881109478 in words is "three billion, eight hundred eighty-one million, one hundred nine thousand, four hundred seventy-eight".