4990776856 has 24 divisors (see below), whose sum is σ = 10132903980. Its totient is φ = 2303434848.

The previous prime is 4990776851. The next prime is 4990776863. The reversal of 4990776856 is 6586770994.

It is a junction number, because it is equal to n+sod(n) for n = 4990776794 and 4990776803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4990776851) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1844350 + ... + 1847053.

Almost surely, 2^4990776856 is an apocalyptic number.

It is an amenable number.

4990776856 is an abundant number, since it is smaller than the sum of its proper divisors (5142127124).

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

4990776856 is a wasteful number, since it uses less digits than its factorization.

4990776856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3691435 (or 3691418 counting only the distinct ones).

The product of its (nonzero) digits is 22861440, while the sum is 61.

The square root of 4990776856 is about 70645.4305387121. The cubic root of 4990776856 is about 1708.9238758917.

The spelling of 4990776856 in words is "four billion, nine hundred ninety million, seven hundred seventy-six thousand, eight hundred fifty-six".