207853928069 has 2 divisors, whose sum is σ = 207853928070. Its totient is φ = 207853928068.

The previous prime is 207853928063. The next prime is 207853928119. The reversal of 207853928069 is 960829358702.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121204941025 + 86648987044 = 348145^2 + 294362^2 .

It is a cyclic number.

It is not a de Polignac number, because 207853928069 - 2⁴ = 207853928053 is a prime.

It is a super-2 number, since 2×207853928069² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 207853927999 and 207853928017.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (207853928063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103926964034 + 103926964035.

It is an arithmetic number, because the mean of its divisors is an integer number (103926964035).

Almost surely, 2^207853928069 is an apocalyptic number.

It is an amenable number.

207853928069 is a deficient number, since it is larger than the sum of its proper divisors (1).

207853928069 is an equidigital number, since it uses as much as digits as its factorization.

207853928069 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13063680, while the sum is 59.

The spelling of 207853928069 in words is "two hundred seven billion, eight hundred fifty-three million, nine hundred twenty-eight thousand, sixty-nine".