207766772116 has 12 divisors (see below), whose sum is σ = 363708821140. Its totient is φ = 103849966080.

The previous prime is 207766772099. The next prime is 207766772117. The reversal of 207766772116 is 611277667702.

It can be written as a sum of positive squares in 2 ways, for example, as 37531312900 + 170235459216 = 193730^2 + 412596^2 .

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (207766772117) 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, 8341005 + ... + 8365876.

Almost surely, 2^207766772116 is an apocalyptic number.

It is an amenable number.

207766772116 is a deficient number, since it is larger than the sum of its proper divisors (155942049024).

207766772116 is a wasteful number, since it uses less digits than its factorization.

207766772116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16709994 (or 16709992 counting only the distinct ones).

The product of its (nonzero) digits is 2074464, while the sum is 52.

The spelling of 207766772116 in words is "two hundred seven billion, seven hundred sixty-six million, seven hundred seventy-two thousand, one hundred sixteen".