28757474744616 has 64 divisors (see below), whose sum is σ = 84580808083200. Its totient is φ = 9021952859904.

The previous prime is 28757474744573. The next prime is 28757474744617. The reversal of 28757474744616 is 61644747475782.

28757474744616 is a `hidden beast` number, since 2 + 8 + 7 + 57 + 47 + 4 + 74 + 461 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is not an unprimeable number, because it can be changed into a prime (28757474744617) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3915774480 + ... + 3915781823.

It is an arithmetic number, because the mean of its divisors is an integer number (1321575126300).

Almost surely, 2^{28757474744616} is an apocalyptic number.

It is an amenable number.

28757474744616 is an abundant number, since it is smaller than the sum of its proper divisors (55823333338584).

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

28757474744616 is a wasteful number, since it uses less digits than its factorization.

28757474744616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7831556335 (or 7831556325 counting only the distinct ones).

The product of its digits is 1770209280, while the sum is 72.

The spelling of 28757474744616 in words is "twenty-eight trillion, seven hundred fifty-seven billion, four hundred seventy-four million, seven hundred forty-four thousand, six hundred sixteen".