402205007879 has 2 divisors, whose sum is σ = 402205007880. Its totient is φ = 402205007878.

The previous prime is 402205007857. The next prime is 402205007933. The reversal of 402205007879 is 978700502204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 402205007879 - 2³⁶ = 333485531143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402205007839) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201102503939 + 201102503940.

It is an arithmetic number, because the mean of its divisors is an integer number (201102503940).

Almost surely, 2^402205007879 is an apocalyptic number.

402205007879 is a deficient number, since it is larger than the sum of its proper divisors (1).

402205007879 is an equidigital number, since it uses as much as digits as its factorization.

402205007879 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 282240, while the sum is 44.

The spelling of 402205007879 in words is "four hundred two billion, two hundred five million, seven thousand, eight hundred seventy-nine".