28466718518 has 32 divisors (see below), whose sum is σ = 51760482624. Its totient is φ = 11462418432.

The previous prime is 28466718509. The next prime is 28466718547. The reversal of 28466718518 is 81581766482.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33680 + ... + 240972.

It is an arithmetic number, because the mean of its divisors is an integer number (1617515082).

Almost surely, 2^28466718518 is an apocalyptic number.

28466718518 is a deficient number, since it is larger than the sum of its proper divisors (23293764106).

28466718518 is a wasteful number, since it uses less digits than its factorization.

28466718518 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207896.

The product of its digits is 5160960, while the sum is 56.

The spelling of 28466718518 in words is "twenty-eight billion, four hundred sixty-six million, seven hundred eighteen thousand, five hundred eighteen".