28871730031600 has 60 divisors (see below), whose sum is σ = 69476390690440. Its totient is φ = 11530034899200.

The previous prime is 28871730031567. The next prime is 28871730031603. The reversal of 28871730031600 is 613003717882.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28871730031603) 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, 58055571 + ... + 58550770.

Almost surely, 2^{28871730031600} is an apocalyptic number.

28871730031600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

28871730031600 is an abundant number, since it is smaller than the sum of its proper divisors (40604660658840).

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

28871730031600 is a wasteful number, since it uses less digits than its factorization.

28871730031600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 116606978 (or 116606967 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 46.

The spelling of 28871730031600 in words is "twenty-eight trillion, eight hundred seventy-one billion, seven hundred thirty million, thirty-one thousand, six hundred".