28574710871616 has 336 divisors, whose sum is σ = 100822584565248. Its totient is φ = 7534890086400.

The previous prime is 28574710871593. The next prime is 28574710871659. The reversal of 28574710871616 is 61617801747582.

28574710871616 is a `hidden beast` number, since 2 + 8 + 5 + 7 + 4 + 7 + 1 + 0 + 8 + 7 + 1 + 616 = 666.

It is a tau number, because it is divible by the number of its divisors (336).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 326036121 + ... + 326123751.

It is an arithmetic number, because the mean of its divisors is an integer number (300067215968).

Almost surely, 2^{28574710871616} is an apocalyptic number.

28574710871616 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28574710871616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50411292282624).

28574710871616 is an abundant number, since it is smaller than the sum of its proper divisors (72247873693632).

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

28574710871616 is a wasteful number, since it uses less digits than its factorization.

28574710871616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93890 (or 93877 counting only the distinct ones).

The product of its (nonzero) digits is 31610880, while the sum is 63.

The spelling of 28574710871616 in words is "twenty-eight trillion, five hundred seventy-four billion, seven hundred ten million, eight hundred seventy-one thousand, six hundred sixteen".