2865305085 has 16 divisors (see below), whose sum is σ = 4585752576. Its totient is φ = 1527741248.

The previous prime is 2865305081. The next prime is 2865305101. The reversal of 2865305085 is 5805035682.

It is a cyclic number.

It is not a de Polignac number, because 2865305085 - 2² = 2865305081 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2865305081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 34372 + ... + 83138.

It is an arithmetic number, because the mean of its divisors is an integer number (286609536).

Almost surely, 2^2865305085 is an apocalyptic number.

It is an amenable number.

2865305085 is a deficient number, since it is larger than the sum of its proper divisors (1720447491).

2865305085 is a wasteful number, since it uses less digits than its factorization.

2865305085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52692.

The product of its (nonzero) digits is 288000, while the sum is 42.

The square root of 2865305085 is about 53528.5445813727. The cubic root of 2865305085 is about 1420.3333683016. Note that the first 4 decimals are identical.

The spelling of 2865305085 in words is "two billion, eight hundred sixty-five million, three hundred five thousand, eighty-five".