28363430782 has 16 divisors (see below), whose sum is σ = 42774324912. Its totient is φ = 14105367360.

The previous prime is 28363430759. The next prime is 28363430783. The reversal of 28363430782 is 28703436382.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28363430783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1539658 + ... + 1557970.

It is an arithmetic number, because the mean of its divisors is an integer number (2673395307).

Almost surely, 2^28363430782 is an apocalyptic number.

28363430782 is a deficient number, since it is larger than the sum of its proper divisors (14410894130).

28363430782 is a wasteful number, since it uses less digits than its factorization.

28363430782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22443.

The product of its (nonzero) digits is 1161216, while the sum is 46.

The spelling of 28363430782 in words is "twenty-eight billion, three hundred sixty-three million, four hundred thirty thousand, seven hundred eighty-two".