2825723865 has 16 divisors (see below), whose sum is σ = 4527196416. Its totient is φ = 1505040000.

The previous prime is 2825723851. The next prime is 2825723881. The reversal of 2825723865 is 5683275282.

It is not a de Polignac number, because 2825723865 - 2¹⁵ = 2825691097 is a prime.

It is a super-2 number, since 2×2825723865² = 15969430722461076450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114156 + ... + 136685.

It is an arithmetic number, because the mean of its divisors is an integer number (282949776).

Almost surely, 2^2825723865 is an apocalyptic number.

It is an amenable number.

2825723865 is a deficient number, since it is larger than the sum of its proper divisors (1701472551).

2825723865 is a wasteful number, since it uses less digits than its factorization.

2825723865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251600.

The product of its digits is 1612800, while the sum is 48.

The square root of 2825723865 is about 53157.5381766312. The cubic root of 2825723865 is about 1413.7628754707.

The spelling of 2825723865 in words is "two billion, eight hundred twenty-five million, seven hundred twenty-three thousand, eight hundred sixty-five".