89829680656 has 15 divisors (see below), whose sum is σ = 174047329101. Its totient is φ = 44914240896.

The previous prime is 89829680621. The next prime is 89829680777. The reversal of 89829680656 is 65608692898.

The square root of 89829680656 is 299716.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 87921738256 + 1907942400 = 296516^2 + 43680^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 89829680591 and 89829680600.

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 2 ways as a sum of consecutive naturals, for example, 1161400 + ... + 1236328.

Almost surely, 2^89829680656 is an apocalyptic number.

89829680656 is the 299716-th square number.

It is an amenable number.

89829680656 is a deficient number, since it is larger than the sum of its proper divisors (84217648445).

89829680656 is an frugal number, since it uses more digits than its factorization.

89829680656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149866 (or 74931 counting only the distinct ones).

The product of its (nonzero) digits is 89579520, while the sum is 67.

The spelling of 89829680656 in words is "eighty-nine billion, eight hundred twenty-nine million, six hundred eighty thousand, six hundred fifty-six".