28287655518 has 16 divisors (see below), whose sum is σ = 59035107456. Its totient is φ = 9019252440.

The previous prime is 28287655511. The next prime is 28287655519. The reversal of 28287655518 is 81555678282.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28287655511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 102491368 + ... + 102491643.

It is an arithmetic number, because the mean of its divisors is an integer number (3689694216).

Almost surely, 2^28287655518 is an apocalyptic number.

28287655518 is an abundant number, since it is smaller than the sum of its proper divisors (30747451938).

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

28287655518 is a wasteful number, since it uses less digits than its factorization.

28287655518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204983039.

The product of its digits is 10752000, while the sum is 57.

The spelling of 28287655518 in words is "twenty-eight billion, two hundred eighty-seven million, six hundred fifty-five thousand, five hundred eighteen".