28387018883 has 8 divisors (see below), whose sum is σ = 28983236352. Its totient is φ = 27795875976.

The previous prime is 28387018861. The next prime is 28387018901. The reversal of 28387018883 is 38881078382.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 28387018883 - 2¹⁶ = 28386953347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28387018813) 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, 1257335 + ... + 1279712.

It is an arithmetic number, because the mean of its divisors is an integer number (3622904544).

Almost surely, 2^28387018883 is an apocalyptic number.

28387018883 is a deficient number, since it is larger than the sum of its proper divisors (596217469).

28387018883 is a wasteful number, since it uses less digits than its factorization.

28387018883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2537281.

The product of its (nonzero) digits is 4128768, while the sum is 56.

The spelling of 28387018883 in words is "twenty-eight billion, three hundred eighty-seven million, eighteen thousand, eight hundred eighty-three".