7813227484656 has 200 divisors, whose sum is σ = 25271240380848. Its totient is φ = 2309897088000.

The previous prime is 7813227484613. The next prime is 7813227484693. The reversal of 7813227484656 is 6564847223187.

7813227484656 is a `hidden beast` number, since 7 + 81 + 3 + 2 + 27 + 484 + 6 + 56 = 666.

It is a super-2 number, since 2×7813227484656² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7813227484593 and 7813227484602.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 6099235 + ... + 7268226.

Almost surely, 2^{7813227484656} is an apocalyptic number.

It is an amenable number.

7813227484656 is an abundant number, since it is smaller than the sum of its proper divisors (17458012896192).

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

7813227484656 is a wasteful number, since it uses less digits than its factorization.

7813227484656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13367533 (or 13367518 counting only the distinct ones).

The product of its digits is 108380160, while the sum is 63.

The spelling of 7813227484656 in words is "seven trillion, eight hundred thirteen billion, two hundred twenty-seven million, four hundred eighty-four thousand, six hundred fifty-six".