28983874312 has 8 divisors (see below), whose sum is σ = 54344764350. Its totient is φ = 14491937152.

The previous prime is 28983874307. The next prime is 28983874333. The reversal of 28983874312 is 21347838982.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 21108021796 + 7875852516 = 145286^2 + 88746^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1811492137 + ... + 1811492152.

Almost surely, 2^28983874312 is an apocalyptic number.

It is an amenable number.

28983874312 is a deficient number, since it is larger than the sum of its proper divisors (25360890038).

28983874312 is a wasteful number, since it uses less digits than its factorization.

28983874312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3622984295 (or 3622984291 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 55.

The spelling of 28983874312 in words is "twenty-eight billion, nine hundred eighty-three million, eight hundred seventy-four thousand, three hundred twelve".