2580861679 has 8 divisors (see below), whose sum is σ = 2820177360. Its totient is φ = 2342328000.

The previous prime is 2580861653. The next prime is 2580861691. The reversal of 2580861679 is 9761680852.

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 2580861679 - 2⁹ = 2580861167 is a prime.

It is a super-2 number, since 2×2580861679² = 13321694012261398082, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2580861379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188584 + ... + 201805.

It is an arithmetic number, because the mean of its divisors is an integer number (352522170).

Almost surely, 2^2580861679 is an apocalyptic number.

2580861679 is a deficient number, since it is larger than the sum of its proper divisors (239315681).

2580861679 is a wasteful number, since it uses less digits than its factorization.

2580861679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391001.

The product of its (nonzero) digits is 1451520, while the sum is 52.

The square root of 2580861679 is about 50802.1818330670. The cubic root of 2580861679 is about 1371.6866432621.

The spelling of 2580861679 in words is "two billion, five hundred eighty million, eight hundred sixty-one thousand, six hundred seventy-nine".