9677793856 has 14 divisors (see below), whose sum is σ = 19204372310. Its totient is φ = 4838896896.

The previous prime is 9677793833. The next prime is 9677793857. The reversal of 9677793856 is 6583977769.

It can be written as a sum of positive squares in only one way, i.e., 7852795456 + 1824998400 = 88616^2 + 42720^2 .

It is a junction number, because it is equal to n+sod(n) for n = 9677793791 and 9677793800.

It is not an unprimeable number, because it can be changed into a prime (9677793857) by changing a digit.

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 as a sum of consecutive naturals, namely, 75607701 + ... + 75607828.

Almost surely, 2^9677793856 is an apocalyptic number.

It is an amenable number.

9677793856 is a deficient number, since it is larger than the sum of its proper divisors (9526578454).

9677793856 is a wasteful number, since it uses less digits than its factorization.

9677793856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151215541 (or 151215531 counting only the distinct ones).

The product of its digits is 120022560, while the sum is 67.

The square root of 9677793856 is about 98375.7788075906. The cubic root of 9677793856 is about 2131.0425554480.

The spelling of 9677793856 in words is "nine billion, six hundred seventy-seven million, seven hundred ninety-three thousand, eight hundred fifty-six".