89312669280 has 192 divisors, whose sum is σ = 312915960000. Its totient is φ = 23792209920.

The previous prime is 89312669269. The next prime is 89312669297. The reversal of 89312669280 is 8296621398.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4400596 + ... + 4420844.

It is an arithmetic number, because the mean of its divisors is an integer number (1629770625).

Almost surely, 2^89312669280 is an apocalyptic number.

89312669280 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 89312669280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156457980000).

89312669280 is an abundant number, since it is smaller than the sum of its proper divisors (223603290720).

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

89312669280 is a wasteful number, since it uses less digits than its factorization.

89312669280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21294 (or 21280 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 54.

The spelling of 89312669280 in words is "eighty-nine billion, three hundred twelve million, six hundred sixty-nine thousand, two hundred eighty".