3342778978 has 32 divisors (see below), whose sum is σ = 6396825600. Its totient is φ = 1272090960.

The previous prime is 3342778963. The next prime is 3342778993. The reversal of 3342778978 is 8798772433.

3342778978 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 (3342778963) and next prime (3342778993).

It is a super-2 number, since 2×3342778978² = 22348342591517448968, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 245778 + ... + 259021.

It is an arithmetic number, because the mean of its divisors is an integer number (199900800).

Almost surely, 2^3342778978 is an apocalyptic number.

3342778978 is a deficient number, since it is larger than the sum of its proper divisors (3054046622).

3342778978 is a wasteful number, since it uses less digits than its factorization.

3342778978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504862.

The product of its digits is 14224896, while the sum is 58.

The square root of 3342778978 is about 57816.7707330667. The cubic root of 3342778978 is about 1495.2112434019.

The spelling of 3342778978 in words is "three billion, three hundred forty-two million, seven hundred seventy-eight thousand, nine hundred seventy-eight".