402205624087 has 2 divisors, whose sum is σ = 402205624088. Its totient is φ = 402205624086.

The previous prime is 402205624063. The next prime is 402205624129. The reversal of 402205624087 is 780426502204.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-402205624087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402205624487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201102812043 + 201102812044.

It is an arithmetic number, because the mean of its divisors is an integer number (201102812044).

Almost surely, 2^402205624087 is an apocalyptic number.

402205624087 is a deficient number, since it is larger than the sum of its proper divisors (1).

402205624087 is an equidigital number, since it uses as much as digits as its factorization.

402205624087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 215040, while the sum is 40.

The spelling of 402205624087 in words is "four hundred two billion, two hundred five million, six hundred twenty-four thousand, eighty-seven".