90487202784 has 192 divisors, whose sum is σ = 271484172288. Its totient is φ = 26121920000.

The previous prime is 90487202723. The next prime is 90487202791. The reversal of 90487202784 is 48720278409.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6088867 + ... + 6103709.

It is an arithmetic number, because the mean of its divisors is an integer number (1413980064).

Almost surely, 2^90487202784 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 90487202784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135742086144).

90487202784 is an abundant number, since it is smaller than the sum of its proper divisors (180996969504).

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

90487202784 is a wasteful number, since it uses less digits than its factorization.

90487202784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15141 (or 15133 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 51.

The spelling of 90487202784 in words is "ninety billion, four hundred eighty-seven million, two hundred two thousand, seven hundred eighty-four".