207680688207 has 32 divisors (see below), whose sum is σ = 325849003200. Its totient is φ = 130279302144.

The previous prime is 207680688179. The next prime is 207680688211. The reversal of 207680688207 is 702886086702.

It is not a de Polignac number, because 207680688207 - 2⁷ = 207680688079 is a prime.

It is a super-5 number, since 5×207680688207⁵ (a number of 58 digits) contains 55555 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (207680688217) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2023219 + ... + 2123387.

It is an arithmetic number, because the mean of its divisors is an integer number (10182781350).

Almost surely, 2^207680688207 is an apocalyptic number.

207680688207 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

207680688207 is a deficient number, since it is larger than the sum of its proper divisors (118168314993).

207680688207 is a wasteful number, since it uses less digits than its factorization.

207680688207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104712 (or 104706 counting only the distinct ones).

The product of its (nonzero) digits is 3612672, while the sum is 54.

The spelling of 207680688207 in words is "two hundred seven billion, six hundred eighty million, six hundred eighty-eight thousand, two hundred seven".