89688649365 has 48 divisors (see below), whose sum is σ = 177922832256. Its totient is φ = 40941936000.

The previous prime is 89688649357. The next prime is 89688649367. The reversal of 89688649365 is 56394688698.

It is not a de Polignac number, because 89688649365 - 2³ = 89688649357 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 89688649293 and 89688649302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89688649367) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 17730 + ... + 423900.

It is an arithmetic number, because the mean of its divisors is an integer number (3706725672).

Almost surely, 2^89688649365 is an apocalyptic number.

It is an amenable number.

89688649365 is a deficient number, since it is larger than the sum of its proper divisors (88234182891).

89688649365 is a wasteful number, since it uses less digits than its factorization.

89688649365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406890 (or 406887 counting only the distinct ones).

The product of its digits is 537477120, while the sum is 72.

The spelling of 89688649365 in words is "eighty-nine billion, six hundred eighty-eight million, six hundred forty-nine thousand, three hundred sixty-five".