7780268201 has 2 divisors, whose sum is σ = 7780268202. Its totient is φ = 7780268200.

The previous prime is 7780268131. The next prime is 7780268207. The reversal of 7780268201 is 1028620877.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7575091225 + 205176976 = 87035^2 + 14324^2 .

It is an emirp because it is prime and its reverse (1028620877) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7780268201 - 2²² = 7776073897 is a prime.

It is a super-3 number, since 3×7780268201³ (a number of 31 digits) contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (7780268207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3890134100 + 3890134101.

It is an arithmetic number, because the mean of its divisors is an integer number (3890134101).

Almost surely, 2^7780268201 is an apocalyptic number.

It is an amenable number.

7780268201 is a deficient number, since it is larger than the sum of its proper divisors (1).

7780268201 is an equidigital number, since it uses as much as digits as its factorization.

7780268201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 75264, while the sum is 41.

The square root of 7780268201 is about 88205.8286112658. The cubic root of 7780268201 is about 1981.5187647534.

The spelling of 7780268201 in words is "seven billion, seven hundred eighty million, two hundred sixty-eight thousand, two hundred one".