402268678583 has 2 divisors, whose sum is σ = 402268678584. Its totient is φ = 402268678582.

The previous prime is 402268678571. The next prime is 402268678639. The reversal of 402268678583 is 385876862204.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 402268678583 - 2⁶ = 402268678519 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (402268678523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 201134339291 + 201134339292.

It is an arithmetic number, because the mean of its divisors is an integer number (201134339292).

Almost surely, 2^402268678583 is an apocalyptic number.

402268678583 is a deficient number, since it is larger than the sum of its proper divisors (1).

402268678583 is an equidigital number, since it uses as much as digits as its factorization.

402268678583 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30965760, while the sum is 59.

The spelling of 402268678583 in words is "four hundred two billion, two hundred sixty-eight million, six hundred seventy-eight thousand, five hundred eighty-three".