3118263978 has 32 divisors (see below), whose sum is σ = 6335112384. Its totient is φ = 1023115392.

The previous prime is 3118263959. The next prime is 3118263989. The reversal of 3118263978 is 8793628113.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

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, 85326 + ... + 116262.

It is an arithmetic number, because the mean of its divisors is an integer number (197972262).

Almost surely, 2^3118263978 is an apocalyptic number.

3118263978 is an abundant number, since it is smaller than the sum of its proper divisors (3216848406).

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

3118263978 is a wasteful number, since it uses less digits than its factorization.

3118263978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31206.

The product of its digits is 435456, while the sum is 48.

The square root of 3118263978 is about 55841.4181231100. The cubic root of 3118263978 is about 1460.9576468816.

The spelling of 3118263978 in words is "three billion, one hundred eighteen million, two hundred sixty-three thousand, nine hundred seventy-eight".