90700399200 has 576 divisors, whose sum is σ = 320091512832. Its totient is φ = 22226534400.

The previous prime is 90700399189. The next prime is 90700399241. The reversal of 90700399200 is 299300709.

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, 474871105 + ... + 474871295.

It is an arithmetic number, because the mean of its divisors is an integer number (555714432).

Almost surely, 2^90700399200 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 90700399200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160045756416).

90700399200 is an abundant number, since it is smaller than the sum of its proper divisors (229391113632).

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

90700399200 is a wasteful number, since it uses less digits than its factorization.

90700399200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447 (or 434 counting only the distinct ones).

The product of its (nonzero) digits is 30618, while the sum is 39.

Adding to 90700399200 its reverse (299300709), we get a palindrome (90999699909).

The spelling of 90700399200 in words is "ninety billion, seven hundred million, three hundred ninety-nine thousand, two hundred".