5217779207 has 2 divisors, whose sum is σ = 5217779208. Its totient is φ = 5217779206.

The previous prime is 5217779201. The next prime is 5217779219. The reversal of 5217779207 is 7029777125.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 5217779207 - 2³⁰ = 4144037383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5217779201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2608889603 + 2608889604.

It is an arithmetic number, because the mean of its divisors is an integer number (2608889604).

Almost surely, 2^5217779207 is an apocalyptic number.

5217779207 is a deficient number, since it is larger than the sum of its proper divisors (1).

5217779207 is an equidigital number, since it uses as much as digits as its factorization.

5217779207 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432180, while the sum is 47.

The square root of 5217779207 is about 72234.1969360773. The cubic root of 5217779207 is about 1734.4504574987.

The spelling of 5217779207 in words is "five billion, two hundred seventeen million, seven hundred seventy-nine thousand, two hundred seven".