207728375808 has 192 divisors, whose sum is σ = 590312136960. Its totient is φ = 64733184000.

The previous prime is 207728375807. The next prime is 207728375821. The reversal of 207728375808 is 808573827702.

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (207728375807) 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, 15765063 + ... + 15778233.

It is an arithmetic number, because the mean of its divisors is an integer number (3074542380).

Almost surely, 2^207728375808 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 207728375808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (295156068480).

207728375808 is an abundant number, since it is smaller than the sum of its proper divisors (382583761152).

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

207728375808 is a wasteful number, since it uses less digits than its factorization.

207728375808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13364 (or 13344 counting only the distinct ones).

The product of its (nonzero) digits is 10536960, while the sum is 57.

The spelling of 207728375808 in words is "two hundred seven billion, seven hundred twenty-eight million, three hundred seventy-five thousand, eight hundred eight".