28731014316 has 18 divisors (see below), whose sum is σ = 72625619612. Its totient is φ = 9577004760.

The previous prime is 28731014309. The next prime is 28731014359. The reversal of 28731014316 is 61341013782.

It is a happy number.

28731014316 is a `hidden beast` number, since 28 + 7 + 310 + 1 + 4 + 316 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 798083731 = 28731014316 / (2 + 8 + 7 + 3 + 1 + 0 + 1 + 4 + 3 + 1 + 6).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 399041830 + ... + 399041901.

Almost surely, 2^28731014316 is an apocalyptic number.

It is an amenable number.

28731014316 is an abundant number, since it is smaller than the sum of its proper divisors (43894605296).

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

28731014316 is a wasteful number, since it uses less digits than its factorization.

28731014316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798083741 (or 798083736 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The spelling of 28731014316 in words is "twenty-eight billion, seven hundred thirty-one million, fourteen thousand, three hundred sixteen".