28887145718 has 8 divisors (see below), whose sum is σ = 43331488920. Its totient is φ = 14443316080.

The previous prime is 28887145699. The next prime is 28887145747. The reversal of 28887145718 is 81754178882.

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 (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79658 + ... + 253218.

It is an arithmetic number, because the mean of its divisors is an integer number (5416436115).

Almost surely, 2^28887145718 is an apocalyptic number.

28887145718 is a deficient number, since it is larger than the sum of its proper divisors (14444343202).

28887145718 is a wasteful number, since it uses less digits than its factorization.

28887145718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256782.

The product of its digits is 8028160, while the sum is 59.

The spelling of 28887145718 in words is "twenty-eight billion, eight hundred eighty-seven million, one hundred forty-five thousand, seven hundred eighteen".