2578904417 has 8 divisors (see below), whose sum is σ = 2695392960. Its totient is φ = 2462779440.

The previous prime is 2578904411. The next prime is 2578904441. The reversal of 2578904417 is 7144098752.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2578904417 - 2⁴ = 2578904401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2578904411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76334 + ... + 104807.

It is an arithmetic number, because the mean of its divisors is an integer number (336924120).

Almost surely, 2^2578904417 is an apocalyptic number.

It is an amenable number.

2578904417 is a deficient number, since it is larger than the sum of its proper divisors (116488543).

2578904417 is a wasteful number, since it uses less digits than its factorization.

2578904417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181783.

The product of its (nonzero) digits is 564480, while the sum is 47.

The square root of 2578904417 is about 50782.9146170245. The cubic root of 2578904417 is about 1371.3398044351.

The spelling of 2578904417 in words is "two billion, five hundred seventy-eight million, nine hundred four thousand, four hundred seventeen".