3630776856 has 32 divisors (see below), whose sum is σ = 10373648640. Its totient is φ = 1037364768.

The previous prime is 3630776843. The next prime is 3630776867. The reversal of 3630776856 is 6586770363.

It is a happy number.

It is a super-3 number, since 3×3630776856³ (a number of 30 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3630776799 and 3630776808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10805716 + ... + 10806051.

It is an arithmetic number, because the mean of its divisors is an integer number (324176520).

Almost surely, 2^3630776856 is an apocalyptic number.

It is an amenable number.

3630776856 is an abundant number, since it is smaller than the sum of its proper divisors (6742871784).

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

3630776856 is a wasteful number, since it uses less digits than its factorization.

3630776856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21611783 (or 21611779 counting only the distinct ones).

The product of its (nonzero) digits is 3810240, while the sum is 51.

The square root of 3630776856 is about 60255.9279739346. The cubic root of 3630776856 is about 1536.9739950140.

The spelling of 3630776856 in words is "three billion, six hundred thirty million, seven hundred seventy-six thousand, eight hundred fifty-six".