90030783082 has 4 divisors (see below), whose sum is σ = 135046174626. Its totient is φ = 45015391540.

The previous prime is 90030783071. The next prime is 90030783121. The reversal of 90030783082 is 28038703009.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 80214134841 + 9816648241 = 283221^2 + 99079^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22507695769 + ... + 22507695772.

Almost surely, 2^90030783082 is an apocalyptic number.

90030783082 is a deficient number, since it is larger than the sum of its proper divisors (45015391544).

90030783082 is a wasteful number, since it uses less digits than its factorization.

90030783082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45015391543.

The product of its (nonzero) digits is 72576, while the sum is 40.

It can be divided in two parts, 900307 and 83082, that added together give a palindrome (983389).

The spelling of 90030783082 in words is "ninety billion, thirty million, seven hundred eighty-three thousand, eighty-two".