2678592775261 has 16 divisors (see below), whose sum is σ = 3038990059840. Its totient is φ = 2340462470400.

The previous prime is 2678592775237. The next prime is 2678592775301. The reversal of 2678592775261 is 1625772958762.

It is a cyclic number.

It is not a de Polignac number, because 2678592775261 - 2¹⁵ = 2678592742493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2678592775211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4218135 + ... + 4811428.

It is an arithmetic number, because the mean of its divisors is an integer number (189936878740).

Almost surely, 2^{2678592775261} is an apocalyptic number.

It is an amenable number.

2678592775261 is a deficient number, since it is larger than the sum of its proper divisors (360397284579).

2678592775261 is a wasteful number, since it uses less digits than its factorization.

2678592775261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9030796.

The product of its digits is 177811200, while the sum is 67.

The spelling of 2678592775261 in words is "two trillion, six hundred seventy-eight billion, five hundred ninety-two million, seven hundred seventy-five thousand, two hundred sixty-one".