28331248162 has 24 divisors (see below), whose sum is σ = 49445375724. Its totient is φ = 12139448832.

The previous prime is 28331248157. The next prime is 28331248163. The reversal of 28331248162 is 26184213382.

It can be written as a sum of positive squares in 2 ways, for example, as 27492624481 + 838623681 = 165809^2 + 28959^2 .

It is not an unprimeable number, because it can be changed into a prime (28331248163) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 491818 + ... + 546394.

Almost surely, 2^28331248162 is an apocalyptic number.

28331248162 is a deficient number, since it is larger than the sum of its proper divisors (21114127562).

28331248162 is a wasteful number, since it uses less digits than its factorization.

28331248162 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59890 (or 59883 counting only the distinct ones).

The product of its digits is 110592, while the sum is 40.

The spelling of 28331248162 in words is "twenty-eight billion, three hundred thirty-one million, two hundred forty-eight thousand, one hundred sixty-two".