402204567487 has 2 divisors, whose sum is σ = 402204567488. Its totient is φ = 402204567486.

The previous prime is 402204567481. The next prime is 402204567511. The reversal of 402204567487 is 784765402204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 402204567487 - 2¹¹ = 402204565439 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 402204567487.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402204567481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201102283743 + 201102283744.

It is an arithmetic number, because the mean of its divisors is an integer number (201102283744).

Almost surely, 2^402204567487 is an apocalyptic number.

402204567487 is a deficient number, since it is larger than the sum of its proper divisors (1).

402204567487 is an equidigital number, since it uses as much as digits as its factorization.

402204567487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3010560, while the sum is 49.

The spelling of 402204567487 in words is "four hundred two billion, two hundred four million, five hundred sixty-seven thousand, four hundred eighty-seven".