89448369570 has 72 divisors (see below), whose sum is σ = 270535694364. Its totient is φ = 20445340608.

The previous prime is 89448369551. The next prime is 89448369641. The reversal of 89448369570 is 7596384498.

89448369570 is a `hidden beast` number, since 8 + 9 + 448 + 36 + 95 + 70 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 89035995321 + 412374249 = 298389^2 + 20307^2 .

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 89448369498 and 89448369507.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 10137129 + ... + 10145948.

Almost surely, 2^89448369570 is an apocalyptic number.

89448369570 is an abundant number, since it is smaller than the sum of its proper divisors (181087324794).

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

89448369570 is a wasteful number, since it uses less digits than its factorization.

89448369570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20283104 (or 20283094 counting only the distinct ones).

The product of its (nonzero) digits is 52254720, while the sum is 63.

The spelling of 89448369570 in words is "eighty-nine billion, four hundred forty-eight million, three hundred sixty-nine thousand, five hundred seventy".