90470217600 has 768 divisors, whose sum is σ = 398361408000. Its totient is φ = 19588055040.

The previous prime is 90470217527. The next prime is 90470217631. The reversal of 90470217600 is 671207409.

It is a happy number.

90470217600 is a `hidden beast` number, since 9 + 0 + 47 + 0 + 2 + 1 + 7 + 600 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 11487264 + ... + 11495136.

It is an arithmetic number, because the mean of its divisors is an integer number (518699750).

Almost surely, 2^90470217600 is an apocalyptic number.

90470217600 is a gapful number since it is divisible by the number (90) 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 90470217600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (199180704000).

90470217600 is an abundant number, since it is smaller than the sum of its proper divisors (307891190400).

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

90470217600 is a wasteful number, since it uses less digits than its factorization.

90470217600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7932 (or 7909 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The spelling of 90470217600 in words is "ninety billion, four hundred seventy million, two hundred seventeen thousand, six hundred".