3894711678 has 96 divisors (see below), whose sum is σ = 10101218400. Its totient is φ = 1068837120.

The previous prime is 3894711677. The next prime is 3894711697. The reversal of 3894711678 is 8761174983.

3894711678 is a `hidden beast` number, since 3 + 8 + 9 + 471 + 167 + 8 = 666.

3894711678 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3894711677) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 122148 + ... + 150696.

It is an arithmetic number, because the mean of its divisors is an integer number (105221025).

Almost surely, 2^3894711678 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3894711678, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5050609200).

3894711678 is an abundant number, since it is smaller than the sum of its proper divisors (6206506722).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3894711678 is a wasteful number, since it uses less digits than its factorization.

3894711678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28634 (or 28631 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 54.

The square root of 3894711678 is about 62407.6251591102. The cubic root of 3894711678 is about 1573.3491297709.

It can be divided in two parts, 38947 and 11678, that added together give a 4-th power (50625 = 15⁴).

The spelling of 3894711678 in words is "three billion, eight hundred ninety-four million, seven hundred eleven thousand, six hundred seventy-eight".