28234186498 has 32 divisors (see below), whose sum is σ = 50548619520. Its totient is φ = 11564467200.

The previous prime is 28234186489. The next prime is 28234186499. The reversal of 28234186498 is 89468143282.

It is not an unprimeable number, because it can be changed into a prime (28234186499) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 350218 + ... + 423226.

It is an arithmetic number, because the mean of its divisors is an integer number (1579644360).

Almost surely, 2^28234186498 is an apocalyptic number.

28234186498 is a deficient number, since it is larger than the sum of its proper divisors (22314433022).

28234186498 is a wasteful number, since it uses less digits than its factorization.

28234186498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74242.

The product of its digits is 5308416, while the sum is 55.

The spelling of 28234186498 in words is "twenty-eight billion, two hundred thirty-four million, one hundred eighty-six thousand, four hundred ninety-eight".