89665709460 has 48 divisors (see below), whose sum is σ = 252451110912. Its totient is φ = 23778748800.

The previous prime is 89665709453. The next prime is 89665709477. The reversal of 89665709460 is 6490756698.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a junction number, because it is equal to n+sod(n) for n = 89665709394 and 89665709403.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4117396 + ... + 4139115.

It is an arithmetic number, because the mean of its divisors is an integer number (5259398144).

Almost surely, 2^89665709460 is an apocalyptic number.

It is an amenable number.

89665709460 is an abundant number, since it is smaller than the sum of its proper divisors (162785401452).

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

89665709460 is a wasteful number, since it uses less digits than its factorization.

89665709460 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8256704 (or 8256702 counting only the distinct ones).

The product of its (nonzero) digits is 19595520, while the sum is 60.

The spelling of 89665709460 in words is "eighty-nine billion, six hundred sixty-five million, seven hundred nine thousand, four hundred sixty".