2865503796 has 12 divisors (see below), whose sum is σ = 6686175552. Its totient is φ = 955167928.

The previous prime is 2865503749. The next prime is 2865503803. The reversal of 2865503796 is 6973055682.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×2865503796² = 16422224009780819232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119395980 + ... + 119396003.

It is an arithmetic number, because the mean of its divisors is an integer number (557181296).

Almost surely, 2^2865503796 is an apocalyptic number.

It is an amenable number.

2865503796 is an abundant number, since it is smaller than the sum of its proper divisors (3820671756).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2865503796 is a wasteful number, since it uses less digits than its factorization.

2865503796 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238791990 (or 238791988 counting only the distinct ones).

The product of its (nonzero) digits is 2721600, while the sum is 51.

The square root of 2865503796 is about 53530.4006710206. The cubic root of 2865503796 is about 1420.3662012614.

The spelling of 2865503796 in words is "two billion, eight hundred sixty-five million, five hundred three thousand, seven hundred ninety-six".