2569266878 has 16 divisors (see below), whose sum is σ = 3864611520. Its totient is φ = 1281069600.

The previous prime is 2569266871. The next prime is 2569266883. The reversal of 2569266878 is 8786629652.

It is a super-2 number, since 2×2569266878² = 13202264580775733768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2569266871) 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, 2086523 + ... + 2087753.

It is an arithmetic number, because the mean of its divisors is an integer number (241538220).

Almost surely, 2^2569266878 is an apocalyptic number.

2569266878 is a deficient number, since it is larger than the sum of its proper divisors (1295344642).

2569266878 is a wasteful number, since it uses less digits than its factorization.

2569266878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3283.

The product of its digits is 17418240, while the sum is 59.

The square root of 2569266878 is about 50687.9362176051. The cubic root of 2569266878 is about 1369.6294090598.

The spelling of 2569266878 in words is "two billion, five hundred sixty-nine million, two hundred sixty-six thousand, eight hundred seventy-eight".