2865015764 has 18 divisors (see below), whose sum is σ = 5429121390. Its totient is φ = 1322314656.

The previous prime is 2865015749. The next prime is 2865015767. The reversal of 2865015764 is 4675105682.

2865015764 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 215854864 + 2649160900 = 14692^2 + 51470^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2865015767) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2118419 + ... + 2119770.

It is an arithmetic number, because the mean of its divisors is an integer number (301617855).

Almost surely, 2^2865015764 is an apocalyptic number.

It is an amenable number.

2865015764 is a deficient number, since it is larger than the sum of its proper divisors (2564105626).

2865015764 is a wasteful number, since it uses less digits than its factorization.

2865015764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4238219 (or 4238204 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 44.

The square root of 2865015764 is about 53525.8420204671. The cubic root of 2865015764 is about 1420.2855611642.

The spelling of 2865015764 in words is "two billion, eight hundred sixty-five million, fifteen thousand, seven hundred sixty-four".