2576404427 has 4 divisors (see below), whose sum is σ = 2712004680. Its totient is φ = 2440804176.

The previous prime is 2576404421. The next prime is 2576404463. The reversal of 2576404427 is 7244046752.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2576404427 - 2²⁰ = 2575355851 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2576404421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67800098 + ... + 67800135.

It is an arithmetic number, because the mean of its divisors is an integer number (678001170).

Almost surely, 2^2576404427 is an apocalyptic number.

2576404427 is a deficient number, since it is larger than the sum of its proper divisors (135600253).

2576404427 is a wasteful number, since it uses less digits than its factorization.

2576404427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135600252.

The product of its (nonzero) digits is 376320, while the sum is 41.

The square root of 2576404427 is about 50758.2941695246. The cubic root of 2576404427 is about 1370.8965355569.

The spelling of 2576404427 in words is "two billion, five hundred seventy-six million, four hundred four thousand, four hundred twenty-seven".