28790385082 has 8 divisors (see below), whose sum is σ = 43186448052. Its totient is φ = 14394902400.

The previous prime is 28790385073. The next prime is 28790385083. The reversal of 28790385082 is 28058309782.

It can be written as a sum of positive squares in 2 ways, for example, as 28706863761 + 83521321 = 169431^2 + 9139^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (28790385083) 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 3 ways as a sum of consecutive naturals, for example, 13732 + ... + 240352.

Almost surely, 2^28790385082 is an apocalyptic number.

28790385082 is a deficient number, since it is larger than the sum of its proper divisors (14396062970).

28790385082 is a wasteful number, since it uses less digits than its factorization.

28790385082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290144.

The product of its (nonzero) digits is 1935360, while the sum is 52.

The spelling of 28790385082 in words is "twenty-eight billion, seven hundred ninety million, three hundred eighty-five thousand, eighty-two".