3317978454 has 48 divisors (see below), whose sum is σ = 7749591408. Its totient is φ = 944283648.

The previous prime is 3317978393. The next prime is 3317978467. The reversal of 3317978454 is 4548797133.

It is a happy number.

It is a super-2 number, since 2×3317978454² = 22017962042416460232, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3317978397 and 3317978406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 53602 + ... + 97514.

It is an arithmetic number, because the mean of its divisors is an integer number (161449821).

Almost surely, 2^3317978454 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3317978454, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3874795704).

3317978454 is an abundant number, since it is smaller than the sum of its proper divisors (4431612954).

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

3317978454 is a wasteful number, since it uses less digits than its factorization.

3317978454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44189 (or 44182 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 51.

The square root of 3317978454 is about 57601.8962708694. The cubic root of 3317978454 is about 1491.5043368698.

The spelling of 3317978454 in words is "three billion, three hundred seventeen million, nine hundred seventy-eight thousand, four hundred fifty-four".