89421871648 has 24 divisors (see below), whose sum is σ = 176076089280. Its totient is φ = 44704134720.

The previous prime is 89421871631. The next prime is 89421871697. The reversal of 89421871648 is 84617812498.

It is a super-2 number, since 2×89421871648² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 89421871592 and 89421871601.

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, 4533 + ... + 422923.

It is an arithmetic number, because the mean of its divisors is an integer number (7336503720).

Almost surely, 2^89421871648 is an apocalyptic number.

It is an amenable number.

89421871648 is a deficient number, since it is larger than the sum of its proper divisors (86654217632).

89421871648 is a wasteful number, since it uses less digits than its factorization.

89421871648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425080 (or 425072 counting only the distinct ones).

The product of its digits is 6193152, while the sum is 58.

The spelling of 89421871648 in words is "eighty-nine billion, four hundred twenty-one million, eight hundred seventy-one thousand, six hundred forty-eight".