89695831680 has 512 divisors, whose sum is σ = 390988684800. Its totient is φ = 18924503040.

The previous prime is 89695831663. The next prime is 89695831691. The reversal of 89695831680 is 8613859698.

It is a Harshad number since it is a multiple of its sum of digits (63).

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, 1543960 + ... + 1601000.

It is an arithmetic number, because the mean of its divisors is an integer number (763649775).

Almost surely, 2^89695831680 is an apocalyptic number.

89695831680 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 89695831680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (195494342400).

89695831680 is an abundant number, since it is smaller than the sum of its proper divisors (301292853120).

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

89695831680 is a wasteful number, since it uses less digits than its factorization.

89695831680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57089 (or 57071 counting only the distinct ones).

The product of its (nonzero) digits is 22394880, while the sum is 63.

The spelling of 89695831680 in words is "eighty-nine billion, six hundred ninety-five million, eight hundred thirty-one thousand, six hundred eighty".