207199680 has 56 divisors (see below), whose sum is σ = 657862032. Its totient is φ = 55252992.

The previous prime is 207199673. The next prime is 207199697. The reversal of 207199680 is 86991702.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106957 + ... + 108876.

Almost surely, 2^207199680 is an apocalyptic number.

207199680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

207199680 is an abundant number, since it is smaller than the sum of its proper divisors (450662352).

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

207199680 is a wasteful number, since it uses less digits than its factorization.

207199680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215853 (or 215843 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 42.

The square root of 207199680 is about 14394.4322569527. The cubic root of 207199680 is about 591.7383187266.

The spelling of 207199680 in words is "two hundred seven million, one hundred ninety-nine thousand, six hundred eighty".