89865707740 has 96 divisors (see below), whose sum is σ = 197106497280. Its totient is φ = 34389121536.

The previous prime is 89865707681. The next prime is 89865707741. The reversal of 89865707740 is 4770756898.

It is a super-2 number, since 2×89865707740² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89865707741) 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, 10309624 + ... + 10318336.

It is an arithmetic number, because the mean of its divisors is an integer number (2053192680).

Almost surely, 2^89865707740 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 89865707740, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98553248640).

89865707740 is an abundant number, since it is smaller than the sum of its proper divisors (107240789540).

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

89865707740 is a wasteful number, since it uses less digits than its factorization.

89865707740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9011 (or 9009 counting only the distinct ones).

The product of its (nonzero) digits is 23708160, while the sum is 61.

The spelling of 89865707740 in words is "eighty-nine billion, eight hundred sixty-five million, seven hundred seven thousand, seven hundred forty".