3784178342 has 16 divisors (see below), whose sum is σ = 6868761120. Its totient is φ = 1526391168.

The previous prime is 3784178341. The next prime is 3784178347. The reversal of 3784178342 is 2438714873.

It is a super-3 number, since 3×3784178342³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3784178341) 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, 7949717 + ... + 7950192.

It is an arithmetic number, because the mean of its divisors is an integer number (429297570).

Almost surely, 2^3784178342 is an apocalyptic number.

3784178342 is a deficient number, since it is larger than the sum of its proper divisors (3084582778).

3784178342 is a wasteful number, since it uses less digits than its factorization.

3784178342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15899935.

The product of its digits is 903168, while the sum is 47.

The square root of 3784178342 is about 61515.6755794814. The cubic root of 3784178342 is about 1558.3219878826.

The spelling of 3784178342 in words is "three billion, seven hundred eighty-four million, one hundred seventy-eight thousand, three hundred forty-two".