89587725040 has 160 divisors (see below), whose sum is σ = 237871489536. Its totient is φ = 31060423680.

The previous prime is 89587724987. The next prime is 89587725041. The reversal of 89587725040 is 4052778598.

It is a Harshad number since it is a multiple of its sum of digits (55).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89587725041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6409099 + ... + 6423061.

Almost surely, 2^89587725040 is an apocalyptic number.

89587725040 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89587725040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118935744768).

89587725040 is an abundant number, since it is smaller than the sum of its proper divisors (148283764496).

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

89587725040 is a wasteful number, since it uses less digits than its factorization.

89587725040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14327 (or 14321 counting only the distinct ones).

The product of its (nonzero) digits is 5644800, while the sum is 55.

The spelling of 89587725040 in words is "eighty-nine billion, five hundred eighty-seven million, seven hundred twenty-five thousand, forty".