28663313542 has 8 divisors (see below), whose sum is σ = 43060814496. Its totient is φ = 14309708712.

The previous prime is 28663313477. The next prime is 28663313599. The reversal of 28663313542 is 24531336682.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10972398 + ... + 10975009.

It is an arithmetic number, because the mean of its divisors is an integer number (5382601812).

Almost surely, 2^28663313542 is an apocalyptic number.

28663313542 is a deficient number, since it is larger than the sum of its proper divisors (14397500954).

28663313542 is a wasteful number, since it uses less digits than its factorization.

28663313542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21948062.

The product of its digits is 622080, while the sum is 43.

The spelling of 28663313542 in words is "twenty-eight billion, six hundred sixty-three million, three hundred thirteen thousand, five hundred forty-two".