28134582088 has 16 divisors (see below), whose sum is σ = 53236309500. Its totient is φ = 13938232896.

The previous prime is 28134582059. The next prime is 28134582103. The reversal of 28134582088 is 88028543182.

It can be written as a sum of positive squares in 2 ways, for example, as 22578668644 + 5555913444 = 150262^2 + 74538^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16131343 + ... + 16133086.

Almost surely, 2^28134582088 is an apocalyptic number.

It is an amenable number.

28134582088 is a deficient number, since it is larger than the sum of its proper divisors (25101727412).

28134582088 is a wasteful number, since it uses less digits than its factorization.

28134582088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32264544 (or 32264540 counting only the distinct ones).

The product of its (nonzero) digits is 983040, while the sum is 49.

The spelling of 28134582088 in words is "twenty-eight billion, one hundred thirty-four million, five hundred eighty-two thousand, eighty-eight".