207878207712 has 96 divisors (see below), whose sum is σ = 650749220352. Its totient is φ = 56811431424.

The previous prime is 207878207707. The next prime is 207878207753. The reversal of 207878207712 is 217702878702.

207878207712 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6709383 + ... + 6740294.

It is an arithmetic number, because the mean of its divisors is an integer number (6778637712).

Almost surely, 2^207878207712 is an apocalyptic number.

It is an amenable number.

207878207712 is an abundant number, since it is smaller than the sum of its proper divisors (442871012640).

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

207878207712 is a wasteful number, since it uses less digits than its factorization.

207878207712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13449720 (or 13449712 counting only the distinct ones).

The product of its (nonzero) digits is 1229312, while the sum is 51.

The spelling of 207878207712 in words is "two hundred seven billion, eight hundred seventy-eight million, two hundred seven thousand, seven hundred twelve".