207208157 has 8 divisors (see below), whose sum is σ = 223814136. Its totient is φ = 190697472.

The previous prime is 207208139. The next prime is 207208163. The reversal of 207208157 is 751802702.

It can be written as a sum of positive squares in 4 ways, for example, as 164836 + 207043321 = 406^2 + 14389^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 207208157 - 2⁶ = 207208093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (207208657) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19268 + ... + 28029.

It is an arithmetic number, because the mean of its divisors is an integer number (27976767).

Almost surely, 2^207208157 is an apocalyptic number.

It is an amenable number.

207208157 is a deficient number, since it is larger than the sum of its proper divisors (16605979).

207208157 is a wasteful number, since it uses less digits than its factorization.

207208157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47647.

The product of its (nonzero) digits is 7840, while the sum is 32.

The square root of 207208157 is about 14394.7267080692. The cubic root of 207208157 is about 591.7463883937.

The spelling of 207208157 in words is "two hundred seven million, two hundred eight thousand, one hundred fifty-seven".