28854948312 has 48 divisors (see below), whose sum is σ = 78289230240. Its totient is φ = 9601034688.

The previous prime is 28854948263. The next prime is 28854948361. The reversal of 28854948312 is 21384945882.

28854948312 is a `hidden beast` number, since 2 + 8 + 8 + 549 + 4 + 83 + 12 = 666.

It is an interprime number because it is at equal distance from previous prime (28854948263) and next prime (28854948361).

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 319648 + ... + 399855.

It is an arithmetic number, because the mean of its divisors is an integer number (1631025630).

Almost surely, 2^28854948312 is an apocalyptic number.

It is an amenable number.

28854948312 is an abundant number, since it is smaller than the sum of its proper divisors (49434281928).

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

28854948312 is a wasteful number, since it uses less digits than its factorization.

28854948312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720072 (or 720065 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 54.

The spelling of 28854948312 in words is "twenty-eight billion, eight hundred fifty-four million, nine hundred forty-eight thousand, three hundred twelve".