402893602087 has 2 divisors, whose sum is σ = 402893602088. Its totient is φ = 402893602086.

The previous prime is 402893602073. The next prime is 402893602103. The reversal of 402893602087 is 780206398204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 402893602087 - 2¹⁹ = 402893077799 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 402893602087.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402893602387) 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, 201446801043 + 201446801044.

It is an arithmetic number, because the mean of its divisors is an integer number (201446801044).

Almost surely, 2^402893602087 is an apocalyptic number.

402893602087 is a deficient number, since it is larger than the sum of its proper divisors (1).

402893602087 is an equidigital number, since it uses as much as digits as its factorization.

402893602087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1161216, while the sum is 49.

The spelling of 402893602087 in words is "four hundred two billion, eight hundred ninety-three million, six hundred two thousand, eighty-seven".