3117668478 has 32 divisors (see below), whose sum is σ = 6315309312. Its totient is φ = 1025956800.

The previous prime is 3117668473. The next prime is 3117668479. The reversal of 3117668478 is 8748667113.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3117668478.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3117668473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196938 + ... + 212178.

It is an arithmetic number, because the mean of its divisors is an integer number (197353416).

Almost surely, 2^3117668478 is an apocalyptic number.

3117668478 is an abundant number, since it is smaller than the sum of its proper divisors (3197640834).

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

3117668478 is a wasteful number, since it uses less digits than its factorization.

3117668478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15680.

The product of its digits is 1354752, while the sum is 51.

The square root of 3117668478 is about 55836.0858047912. The cubic root of 3117668478 is about 1460.8646404660.

The spelling of 3117668478 in words is "three billion, one hundred seventeen million, six hundred sixty-eight thousand, four hundred seventy-eight".