28718760018 has 64 divisors (see below), whose sum is σ = 62204123520. Its totient is φ = 8786921472.

The previous prime is 28718760017. The next prime is 28718760061. The reversal of 28718760018 is 81006781782.

It is not an unprimeable number, because it can be changed into a prime (28718760013) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14237346 + ... + 14239362.

It is an arithmetic number, because the mean of its divisors is an integer number (971939430).

Almost surely, 2^28718760018 is an apocalyptic number.

28718760018 is an abundant number, since it is smaller than the sum of its proper divisors (33485363502).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28718760018 is a wasteful number, since it uses less digits than its factorization.

28718760018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2971.

The product of its (nonzero) digits is 301056, while the sum is 48.

The spelling of 28718760018 in words is "twenty-eight billion, seven hundred eighteen million, seven hundred sixty thousand, eighteen".