2575680578 has 8 divisors (see below), whose sum is σ = 3863737020. Its totient is φ = 1287768240.

The previous prime is 2575680491. The next prime is 2575680619. The reversal of 2575680578 is 8750865752.

It can be written as a sum of positive squares in 2 ways, for example, as 2408159329 + 167521249 = 49073^2 + 12943^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46148 + ... + 85328.

Almost surely, 2^2575680578 is an apocalyptic number.

2575680578 is a deficient number, since it is larger than the sum of its proper divisors (1288056442).

2575680578 is a wasteful number, since it uses less digits than its factorization.

2575680578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72052.

The product of its (nonzero) digits is 4704000, while the sum is 53.

The square root of 2575680578 is about 50751.1633167162. The cubic root of 2575680578 is about 1370.7681376208.

The spelling of 2575680578 in words is "two billion, five hundred seventy-five million, six hundred eighty thousand, five hundred seventy-eight".