9874763856 has 30 divisors (see below), whose sum is σ = 27635624250. Its totient is φ = 3291587904.

The previous prime is 9874763827. The next prime is 9874763879. The reversal of 9874763856 is 6583674789.

9874763856 is a `hidden beast` number, since 9 + 87 + 476 + 3 + 85 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 7475331600 + 2399432256 = 86460^2 + 48984^2 .

It is a super-2 number, since 2×9874763856² (a number of 21 digits) contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 9874763793 and 9874763802.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34287231 + ... + 34287518.

It is an arithmetic number, because the mean of its divisors is an integer number (921187475).

Almost surely, 2^9874763856 is an apocalyptic number.

It is an amenable number.

9874763856 is an abundant number, since it is smaller than the sum of its proper divisors (17760860394).

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

9874763856 is a wasteful number, since it uses less digits than its factorization.

9874763856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68574763 (or 68574754 counting only the distinct ones).

The product of its digits is 60963840, while the sum is 63.

The square root of 9874763856 is about 99371.8463952442. The cubic root of 9874763856 is about 2145.4031120060.

The spelling of 9874763856 in words is "nine billion, eight hundred seventy-four million, seven hundred sixty-three thousand, eight hundred fifty-six".