28500031437696 has 384 divisors, whose sum is σ = 101460676175040. Its totient is φ = 7477540945920.

The previous prime is 28500031437667. The next prime is 28500031437727. The reversal of 28500031437696 is 69673413000582.

28500031437696 is a `hidden beast` number, since 2 + 8 + 500 + 0 + 3 + 1 + 43 + 7 + 6 + 96 = 666.

It is a tau number, because it is divible by the number of its divisors (384).

It is a congruent number.

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, 19528266 + ... + 20936886.

It is a 1-persistent number, because it is pandigital, but 2⋅28500031437696 = 57000062875392 is not.

Almost surely, 2^{28500031437696} is an apocalyptic number.

28500031437696 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 28500031437696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50730338087520).

28500031437696 is an abundant number, since it is smaller than the sum of its proper divisors (72960644737344).

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

28500031437696 is a wasteful number, since it uses less digits than its factorization.

28500031437696 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1408854 (or 1408839 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 54.

The spelling of 28500031437696 in words is "twenty-eight trillion, five hundred billion, thirty-one million, four hundred thirty-seven thousand, six hundred ninety-six".