2576064856 has 8 divisors (see below), whose sum is σ = 4830121620. Its totient is φ = 1288032424.

The previous prime is 2576064833. The next prime is 2576064863. The reversal of 2576064856 is 6584606752.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×2576064856² = 13272220284636601472, 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 as a sum of consecutive naturals, namely, 161004046 + ... + 161004061.

Almost surely, 2^2576064856 is an apocalyptic number.

It is an amenable number.

2576064856 is a deficient number, since it is larger than the sum of its proper divisors (2254056764).

2576064856 is a wasteful number, since it uses less digits than its factorization.

2576064856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322008113 (or 322008109 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 49.

The square root of 2576064856 is about 50754.9490788829. The cubic root of 2576064856 is about 1370.8363046972.

The spelling of 2576064856 in words is "two billion, five hundred seventy-six million, sixty-four thousand, eight hundred fifty-six".