2654826678 has 80 divisors (see below), whose sum is σ = 6943394304. Its totient is φ = 742368240.

The previous prime is 2654826677. The next prime is 2654826683. The reversal of 2654826678 is 8766284562.

2654826678 is a `hidden beast` number, since 2 + 6 + 548 + 26 + 6 + 78 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2654826677) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 28393 + ... + 78203.

Almost surely, 2^2654826678 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2654826678, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3471697152).

2654826678 is an abundant number, since it is smaller than the sum of its proper divisors (4288567626).

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

2654826678 is a wasteful number, since it uses less digits than its factorization.

2654826678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49879 (or 49870 counting only the distinct ones).

The product of its digits is 7741440, while the sum is 54.

The square root of 2654826678 is about 51525.0102183396. The cubic root of 2654826678 is about 1384.6671563078.

The spelling of 2654826678 in words is "two billion, six hundred fifty-four million, eight hundred twenty-six thousand, six hundred seventy-eight".