2585092578 has 16 divisors (see below), whose sum is σ = 5171486880. Its totient is φ = 861480576.

The previous prime is 2585092553. The next prime is 2585092603. The reversal of 2585092578 is 8752905852.

It is an interprime number because it is at equal distance from previous prime (2585092553) and next prime (2585092603).

It is a self number, because there is not a number n which added to its sum of digits gives 2585092578.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27400 + ... + 76947.

It is an arithmetic number, because the mean of its divisors is an integer number (323217930).

Almost surely, 2^2585092578 is an apocalyptic number.

2585092578 is an abundant number, since it is smaller than the sum of its proper divisors (2586394302).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2585092578 is a wasteful number, since it uses less digits than its factorization.

2585092578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108481.

The product of its (nonzero) digits is 2016000, while the sum is 51.

The square root of 2585092578 is about 50843.8056994163. The cubic root of 2585092578 is about 1372.4357857290.

It can be divided in two parts, 258 and 5092578, that added together give a triangular number (5092836 = T₃₁₉₁).

The spelling of 2585092578 in words is "two billion, five hundred eighty-five million, ninety-two thousand, five hundred seventy-eight".