28745018814 has 16 divisors (see below), whose sum is σ = 57703758480. Its totient is φ = 9546052800.

The previous prime is 28745018791. The next prime is 28745018849. The reversal of 28745018814 is 41881054782.

It is a super-2 number, since 2×28745018814² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8903287 + ... + 8906514.

It is an arithmetic number, because the mean of its divisors is an integer number (3606484905).

Almost surely, 2^28745018814 is an apocalyptic number.

28745018814 is an abundant number, since it is smaller than the sum of its proper divisors (28958739666).

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

28745018814 is a wasteful number, since it uses less digits than its factorization.

28745018814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17810075.

The product of its (nonzero) digits is 573440, while the sum is 48.

The spelling of 28745018814 in words is "twenty-eight billion, seven hundred forty-five million, eighteen thousand, eight hundred fourteen".