90738483820 has 24 divisors (see below), whose sum is σ = 190558056528. Its totient is φ = 36294014400.

The previous prime is 90738483809. The next prime is 90738483821. The reversal of 90738483820 is 2838483709.

It is not an unprimeable number, because it can be changed into a prime (90738483821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 578230 + ... + 718210.

It is an arithmetic number, because the mean of its divisors is an integer number (7939919022).

Almost surely, 2^90738483820 is an apocalyptic number.

It is an amenable number.

90738483820 is an abundant number, since it is smaller than the sum of its proper divisors (99819572708).

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

90738483820 is a wasteful number, since it uses less digits than its factorization.

90738483820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172401 (or 172399 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 52.

The spelling of 90738483820 in words is "ninety billion, seven hundred thirty-eight million, four hundred eighty-three thousand, eight hundred twenty".