28052919757368 has 192 divisors, whose sum is σ = 83072598036480. Its totient is φ = 8481525561600.

The previous prime is 28052919757351. The next prime is 28052919757381. The reversal of 28052919757368 is 86375791925082.

28052919757368 is a `hidden beast` number, since 2 + 8 + 0 + 5 + 29 + 197 + 57 + 368 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 28052919757296 and 28052919757305.

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, 622642330 + ... + 622687382.

It is an arithmetic number, because the mean of its divisors is an integer number (432669781440).

Almost surely, 2^{28052919757368} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28052919757368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41536299018240).

28052919757368 is an abundant number, since it is smaller than the sum of its proper divisors (55019678279112).

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

28052919757368 is a wasteful number, since it uses less digits than its factorization.

28052919757368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46850 (or 46843 counting only the distinct ones).

The product of its (nonzero) digits is 457228800, while the sum is 72.

The spelling of 28052919757368 in words is "twenty-eight trillion, fifty-two billion, nine hundred nineteen million, seven hundred fifty-seven thousand, three hundred sixty-eight".