3878132942 has 4 divisors (see below), whose sum is σ = 5817199416. Its totient is φ = 1939066470.

The previous prime is 3878132933. The next prime is 3878132963. The reversal of 3878132942 is 2492318783.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 969533234 + ... + 969533237.

It is an arithmetic number, because the mean of its divisors is an integer number (1454299854).

Almost surely, 2^3878132942 is an apocalyptic number.

3878132942 is a deficient number, since it is larger than the sum of its proper divisors (1939066474).

3878132942 is a wasteful number, since it uses less digits than its factorization.

3878132942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1939066473.

The product of its digits is 580608, while the sum is 47.

The square root of 3878132942 is about 62274.6573013453. The cubic root of 3878132942 is about 1571.1135138179.

The spelling of 3878132942 in words is "three billion, eight hundred seventy-eight million, one hundred thirty-two thousand, nine hundred forty-two".