2580678 has 24 divisors (see below), whose sum is σ = 5621616. Its totient is φ = 855600.

The previous prime is 2580673. The next prime is 2580689. The reversal of 2580678 is 8760852.

2580678 is a `hidden beast` number, since 2 + 580 + 6 + 78 = 666.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2580671) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5368 + ... + 5828.

It is an arithmetic number, because the mean of its divisors is an integer number (234234).

2^2580678 is an apocalyptic number.

2580678 is an abundant number, since it is smaller than the sum of its proper divisors (3040938).

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

2580678 is a wasteful number, since it uses less digits than its factorization.

2580678 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 780 (or 777 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 2580678 is about 1606.4488787384. The cubic root of 2580678 is about 137.1654101675.

The spelling of 2580678 in words is "two million, five hundred eighty thousand, six hundred seventy-eight".