89755869921280 has 120 divisors (see below), whose sum is σ = 215425386392832. Its totient is φ = 35899369193472.

The previous prime is 89755869921229. The next prime is 89755869921317. The reversal of 89755869921280 is 8212996855798.

It is a super-2 number, since 2×89755869921280² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 89755869921280.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1171663459 + ... + 1171740061.

Almost surely, 2^{89755869921280} is an apocalyptic number.

89755869921280 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 89755869921280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107712693196416).

89755869921280 is an abundant number, since it is smaller than the sum of its proper divisors (125669516471552).

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

89755869921280 is an equidigital number, since it uses as much as digits as its factorization.

89755869921280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90939 (or 90913 counting only the distinct ones).

The product of its (nonzero) digits is 1567641600, while the sum is 79.

The spelling of 89755869921280 in words is "eighty-nine trillion, seven hundred fifty-five billion, eight hundred sixty-nine million, nine hundred twenty-one thousand, two hundred eighty".