3879678147 has 4 divisors (see below), whose sum is σ = 5172904200. Its totient is φ = 2586452096.

The previous prime is 3879678109. The next prime is 3879678149. The reversal of 3879678147 is 7418769783.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7418769783 = 3 ⋅2472923261.

It is a cyclic number.

It is not a de Polignac number, because 3879678147 - 2⁸ = 3879677891 is a prime.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (3879678149) 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, 646613022 + ... + 646613027.

It is an arithmetic number, because the mean of its divisors is an integer number (1293226050).

Almost surely, 2^3879678147 is an apocalyptic number.

3879678147 is a deficient number, since it is larger than the sum of its proper divisors (1293226053).

3879678147 is a wasteful number, since it uses less digits than its factorization.

3879678147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1293226052.

The product of its digits is 14224896, while the sum is 60.

The square root of 3879678147 is about 62287.0624367533. The cubic root of 3879678147 is about 1571.3221511643.

The spelling of 3879678147 in words is "three billion, eight hundred seventy-nine million, six hundred seventy-eight thousand, one hundred forty-seven".