3826778889 has 8 divisors (see below), whose sum is σ = 5105894112. Its totient is φ = 2549424800.

The previous prime is 3826778831. The next prime is 3826778903. The reversal of 3826778889 is 9888776283.

3826778889 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 3826778889 - 2¹¹ = 3826776841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3826778089) 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, 435204 + ... + 443909.

It is an arithmetic number, because the mean of its divisors is an integer number (638236764).

Almost surely, 2^3826778889 is an apocalyptic number.

It is an amenable number.

3826778889 is a deficient number, since it is larger than the sum of its proper divisors (1279115223).

3826778889 is a wasteful number, since it uses less digits than its factorization.

3826778889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 880567.

The product of its digits is 65028096, while the sum is 66.

The square root of 3826778889 is about 61860.9641777430. The cubic root of 3826778889 is about 1564.1478059314.

The spelling of 3826778889 in words is "three billion, eight hundred twenty-six million, seven hundred seventy-eight thousand, eight hundred eighty-nine".