89891132648 has 16 divisors (see below), whose sum is σ = 168562148580. Its totient is φ = 44941226368.

The previous prime is 89891132603. The next prime is 89891132657. The reversal of 89891132648 is 84623119898.

It can be written as a sum of positive squares in 2 ways, for example, as 89782931044 + 108201604 = 299638^2 + 10402^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 453611 + ... + 620922.

Almost surely, 2^89891132648 is an apocalyptic number.

It is an amenable number.

89891132648 is a deficient number, since it is larger than the sum of its proper divisors (78671015932).

89891132648 is a wasteful number, since it uses less digits than its factorization.

89891132648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1084996 (or 1084992 counting only the distinct ones).

The product of its digits is 5971968, while the sum is 59.

The spelling of 89891132648 in words is "eighty-nine billion, eight hundred ninety-one million, one hundred thirty-two thousand, six hundred forty-eight".