2678468617 has 8 divisors (see below), whose sum is σ = 2954797920. Its totient is φ = 2407611360.

The previous prime is 2678468599. The next prime is 2678468647. The reversal of 2678468617 is 7168648762.

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

It is a de Polignac number, because none of the positive numbers 2^k-2678468617 is a prime.

It is a super-3 number, since 3×2678468617³ (a number of 29 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2678468647) 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, 1366983 + ... + 1368940.

It is an arithmetic number, because the mean of its divisors is an integer number (369349740).

Almost surely, 2^2678468617 is an apocalyptic number.

It is an amenable number.

2678468617 is a deficient number, since it is larger than the sum of its proper divisors (276329303).

2678468617 is a wasteful number, since it uses less digits than its factorization.

2678468617 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2736023.

The product of its digits is 5419008, while the sum is 55.

The square root of 2678468617 is about 51753.9236870017. The cubic root of 2678468617 is about 1388.7652919450.

The spelling of 2678468617 in words is "two billion, six hundred seventy-eight million, four hundred sixty-eight thousand, six hundred seventeen".