2197765079 has 2 divisors, whose sum is σ = 2197765080. Its totient is φ = 2197765078.

The previous prime is 2197765067. The next prime is 2197765103. The reversal of 2197765079 is 9705677912.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2197765079 - 2²⁴ = 2180987863 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2197765079.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2197765019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1098882539 + 1098882540.

It is an arithmetic number, because the mean of its divisors is an integer number (1098882540).

Almost surely, 2^2197765079 is an apocalyptic number.

2197765079 is a deficient number, since it is larger than the sum of its proper divisors (1).

2197765079 is an equidigital number, since it uses as much as digits as its factorization.

2197765079 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1666980, while the sum is 53.

The square root of 2197765079 is about 46880.3272066226. The cubic root of 2197765079 is about 1300.1508856425.

The spelling of 2197765079 in words is "two billion, one hundred ninety-seven million, seven hundred sixty-five thousand, seventy-nine".