2565077834 has 16 divisors (see below), whose sum is σ = 4299777216. Its totient is φ = 1137506400.

The previous prime is 2565077833. The next prime is 2565077849. The reversal of 2565077834 is 4387705652.

It is not an unprimeable number, because it can be changed into a prime (2565077831) 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, 1420982 + ... + 1422785.

It is an arithmetic number, because the mean of its divisors is an integer number (268736076).

Almost surely, 2^2565077834 is an apocalyptic number.

2565077834 is a deficient number, since it is larger than the sum of its proper divisors (1734699382).

2565077834 is a wasteful number, since it uses less digits than its factorization.

2565077834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2843821.

The product of its (nonzero) digits is 1411200, while the sum is 47.

The square root of 2565077834 is about 50646.5974572824. The cubic root of 2565077834 is about 1368.8846364395.

The spelling of 2565077834 in words is "two billion, five hundred sixty-five million, seventy-seven thousand, eight hundred thirty-four".