28386629282 has 48 divisors (see below), whose sum is σ = 47315143680. Its totient is φ = 12762398880.

The previous prime is 28386629263. The next prime is 28386629347. The reversal of 28386629282 is 28292668382.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11646968 + ... + 11649404.

It is an arithmetic number, because the mean of its divisors is an integer number (985732160).

Almost surely, 2^28386629282 is an apocalyptic number.

28386629282 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

28386629282 is a deficient number, since it is larger than the sum of its proper divisors (18928514398).

28386629282 is a wasteful number, since it uses less digits than its factorization.

28386629282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2967 (or 2956 counting only the distinct ones).

The product of its digits is 7962624, while the sum is 56.

The spelling of 28386629282 in words is "twenty-eight billion, three hundred eighty-six million, six hundred twenty-nine thousand, two hundred eighty-two".