2608765057 has 4 divisors (see below), whose sum is σ = 2634594516. Its totient is φ = 2582935600.

The previous prime is 2608765043. The next prime is 2608765079. The reversal of 2608765057 is 7505678062.

2608765057 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7505678062 = 2 ⋅3752839031.

It can be written as a sum of positive squares in 2 ways, for example, as 1250400321 + 1358364736 = 35361^2 + 36856^2 .

It is a cyclic number.

It is not a de Polignac number, because 2608765057 - 2⁷ = 2608764929 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2608764998 and 2608765016.

It is not an unprimeable number, because it can be changed into a prime (2608765007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12914578 + ... + 12914779.

It is an arithmetic number, because the mean of its divisors is an integer number (658648629).

Almost surely, 2^2608765057 is an apocalyptic number.

It is an amenable number.

2608765057 is a deficient number, since it is larger than the sum of its proper divisors (25829459).

2608765057 is a wasteful number, since it uses less digits than its factorization.

2608765057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25829458.

The product of its (nonzero) digits is 705600, while the sum is 46.

The square root of 2608765057 is about 51076.0712760878. The cubic root of 2608765057 is about 1376.6123335543.

The spelling of 2608765057 in words is "two billion, six hundred eight million, seven hundred sixty-five thousand, fifty-seven".