207158920207 has 4 divisors (see below), whose sum is σ = 207812418696. Its totient is φ = 206505421720.

The previous prime is 207158920181. The next prime is 207158920211. The reversal of 207158920207 is 702029851702.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 207158920207 - 2³¹ = 205011436559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (207158923207) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 326748769 + ... + 326749402.

It is an arithmetic number, because the mean of its divisors is an integer number (51953104674).

Almost surely, 2^207158920207 is an apocalyptic number.

207158920207 is a deficient number, since it is larger than the sum of its proper divisors (653498489).

207158920207 is an equidigital number, since it uses as much as digits as its factorization.

207158920207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 653498488.

The product of its (nonzero) digits is 141120, while the sum is 43.

The spelling of 207158920207 in words is "two hundred seven billion, one hundred fifty-eight million, nine hundred twenty thousand, two hundred seven".