2576078609 has 8 divisors (see below), whose sum is σ = 2775478440. Its totient is φ = 2376855936.

The previous prime is 2576078597. The next prime is 2576078657. The reversal of 2576078609 is 9068706752.

2576078609 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 211600 + 2575867009 = 460^2 + 50753^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2576078609 - 2⁸ = 2576078353 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2576078669) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13274 + ... + 72995.

It is an arithmetic number, because the mean of its divisors is an integer number (346934805).

Almost surely, 2^2576078609 is an apocalyptic number.

It is an amenable number.

2576078609 is a deficient number, since it is larger than the sum of its proper divisors (199399831).

2576078609 is a wasteful number, since it uses less digits than its factorization.

2576078609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88579.

The product of its (nonzero) digits is 1270080, while the sum is 50.

The square root of 2576078609 is about 50755.0845630268. The cubic root of 2576078609 is about 1370.8387442162.

The spelling of 2576078609 in words is "two billion, five hundred seventy-six million, seventy-eight thousand, six hundred nine".