89457432320 has 144 divisors (see below), whose sum is σ = 216442920960. Its totient is φ = 35423539200.

The previous prime is 89457432269. The next prime is 89457432349. The reversal of 89457432320 is 2323475498.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58429955 + ... + 58431485.

It is an arithmetic number, because the mean of its divisors is an integer number (1503075840).

Almost surely, 2^89457432320 is an apocalyptic number.

89457432320 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 89457432320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108221460480).

89457432320 is an abundant number, since it is smaller than the sum of its proper divisors (126985488640).

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

89457432320 is a wasteful number, since it uses less digits than its factorization.

89457432320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1982 (or 1968 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 47.

The spelling of 89457432320 in words is "eighty-nine billion, four hundred fifty-seven million, four hundred thirty-two thousand, three hundred twenty".