28983505392 has 60 divisors (see below), whose sum is σ = 81125979480. Its totient is φ = 9659689344.

The previous prime is 28983505373. The next prime is 28983505393. The reversal of 28983505392 is 29350538982.

28983505392 is a `hidden beast` number, since 28 + 9 + 83 + 5 + 0 + 539 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28983505393) 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, 1342459 + ... + 1363877.

It is an arithmetic number, because the mean of its divisors is an integer number (1352099658).

Almost surely, 2^28983505392 is an apocalyptic number.

It is an amenable number.

28983505392 is an abundant number, since it is smaller than the sum of its proper divisors (52142474088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28983505392 is a wasteful number, since it uses less digits than its factorization.

28983505392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30830 (or 30821 counting only the distinct ones).

The product of its (nonzero) digits is 4665600, while the sum is 54.

The spelling of 28983505392 in words is "twenty-eight billion, nine hundred eighty-three million, five hundred five thousand, three hundred ninety-two".