89465595664 has 135 divisors (see below), whose sum is σ = 186353676117. Its totient is φ = 41607119232.

The previous prime is 89465595647. The next prime is 89465595673. The reversal of 89465595664 is 46659556498.

The square root of 89465595664 is 299108.

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., 80055043600 + 9410552064 = 282940^2 + 97008^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 89465595664.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1903523289 + ... + 1903523335.

Almost surely, 2^89465595664 is an apocalyptic number.

89465595664 is the 299108-th square number.

It is an amenable number.

89465595664 is an abundant number, since it is smaller than the sum of its proper divisors (96888080453).

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

89465595664 is an equidigital number, since it uses as much as digits as its factorization.

89465595664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262 (or 129 counting only the distinct ones).

The product of its digits is 279936000, while the sum is 67.

The spelling of 89465595664 in words is "eighty-nine billion, four hundred sixty-five million, five hundred ninety-five thousand, six hundred sixty-four".