89723421060 has 192 divisors, whose sum is σ = 309804009984. Its totient is φ = 18893721600.

The previous prime is 89723421031. The next prime is 89723421071. The reversal of 89723421060 is 6012432798.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2828890 + ... + 2860430.

It is an arithmetic number, because the mean of its divisors is an integer number (1613562552).

Almost surely, 2^89723421060 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 89723421060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (154902004992).

89723421060 is an abundant number, since it is smaller than the sum of its proper divisors (220080588924).

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

89723421060 is a wasteful number, since it uses less digits than its factorization.

89723421060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32094 (or 32092 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The spelling of 89723421060 in words is "eighty-nine billion, seven hundred twenty-three million, four hundred twenty-one thousand, sixty".