89872987032 has 96 divisors (see below), whose sum is σ = 259032945600. Its totient is φ = 28052247552.

The previous prime is 89872987019. The next prime is 89872987037. The reversal of 89872987032 is 23078927898.

It is a happy number.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89872987037) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 54769 + ... + 427487.

It is an arithmetic number, because the mean of its divisors is an integer number (2698259850).

Almost surely, 2^89872987032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89872987032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (129516472800).

89872987032 is an abundant number, since it is smaller than the sum of its proper divisors (169159958568).

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

89872987032 is a wasteful number, since it uses less digits than its factorization.

89872987032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372945 (or 372938 counting only the distinct ones).

The product of its (nonzero) digits is 24385536, while the sum is 63.

The spelling of 89872987032 in words is "eighty-nine billion, eight hundred seventy-two million, nine hundred eighty-seven thousand, thirty-two".