2580078515 has 16 divisors (see below), whose sum is σ = 3546402048. Its totient is φ = 1765192416.

The previous prime is 2580078451. The next prime is 2580078517. The reversal of 2580078515 is 5158700852.

It is a cyclic number.

It is not a de Polignac number, because 2580078515 - 2⁶ = 2580078451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2580078517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67697 + ... + 98706.

It is an arithmetic number, because the mean of its divisors is an integer number (221650128).

Almost surely, 2^2580078515 is an apocalyptic number.

2580078515 is a deficient number, since it is larger than the sum of its proper divisors (966323533).

2580078515 is a wasteful number, since it uses less digits than its factorization.

2580078515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166858.

The product of its (nonzero) digits is 112000, while the sum is 41.

The square root of 2580078515 is about 50794.4732721976. The cubic root of 2580078515 is about 1371.5478828516.

The spelling of 2580078515 in words is "two billion, five hundred eighty million, seventy-eight thousand, five hundred fifteen".