3993342678 has 48 divisors (see below), whose sum is σ = 9379589856. Its totient is φ = 1220572800.

The previous prime is 3993342677. The next prime is 3993342679. The reversal of 3993342678 is 8762433993.

3993342678 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3993342677) and next prime (3993342679).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3993342677) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21175 + ... + 91842.

It is an arithmetic number, because the mean of its divisors is an integer number (195408122).

Almost surely, 2^3993342678 is an apocalyptic number.

3993342678 is an abundant number, since it is smaller than the sum of its proper divisors (5386247178).

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

3993342678 is a wasteful number, since it uses less digits than its factorization.

3993342678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113189 (or 113186 counting only the distinct ones).

The product of its digits is 5878656, while the sum is 54.

The square root of 3993342678 is about 63192.9005347911. The cubic root of 3993342678 is about 1586.5199096210.

The spelling of 3993342678 in words is "three billion, nine hundred ninety-three million, three hundred forty-two thousand, six hundred seventy-eight".