3878877279 has 8 divisors (see below), whose sum is σ = 5206087552. Its totient is φ = 2568792600.

The previous prime is 3878877269. The next prime is 3878877319. The reversal of 3878877279 is 9727788783.

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

It is not a de Polignac number, because 3878877279 - 2²⁸ = 3610441823 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 (3878877229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4280869 + ... + 4281774.

It is an arithmetic number, because the mean of its divisors is an integer number (650760944).

Almost surely, 2^3878877279 is an apocalyptic number.

3878877279 is a deficient number, since it is larger than the sum of its proper divisors (1327210273).

3878877279 is a wasteful number, since it uses less digits than its factorization.

3878877279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8562797.

The product of its digits is 66382848, while the sum is 66.

The square root of 3878877279 is about 62280.6332578595. The cubic root of 3878877279 is about 1571.2140229312.

The spelling of 3878877279 in words is "three billion, eight hundred seventy-eight million, eight hundred seventy-seven thousand, two hundred seventy-nine".