7776628356 has 24 divisors (see below), whose sum is σ = 20737675840. Its totient is φ = 2221893792.

The previous prime is 7776628339. The next prime is 7776628381. The reversal of 7776628356 is 6538266777.

It is a junction number, because it is equal to n+sod(n) for n = 7776628296 and 7776628305.

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, 46289371 + ... + 46289538.

Almost surely, 2^7776628356 is an apocalyptic number.

It is an amenable number.

7776628356 is an abundant number, since it is smaller than the sum of its proper divisors (12961047484).

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

7776628356 is a wasteful number, since it uses less digits than its factorization.

7776628356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92578923 (or 92578921 counting only the distinct ones).

The product of its digits is 17781120, while the sum is 57.

The square root of 7776628356 is about 88185.1935190937. The cubic root of 7776628356 is about 1981.2097117317.

The spelling of 7776628356 in words is "seven billion, seven hundred seventy-six million, six hundred twenty-eight thousand, three hundred fifty-six".