287923993463 has 2 divisors, whose sum is σ = 287923993464. Its totient is φ = 287923993462.

The previous prime is 287923993417. The next prime is 287923993481. The reversal of 287923993463 is 364399329782.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 287923993463 - 2⁸ = 287923993207 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 287923993463.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (287923993403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 143961996731 + 143961996732.

It is an arithmetic number, because the mean of its divisors is an integer number (143961996732).

Almost surely, 2^287923993463 is an apocalyptic number.

287923993463 is a deficient number, since it is larger than the sum of its proper divisors (1).

287923993463 is an equidigital number, since it uses as much as digits as its factorization.

287923993463 is an evil number, because the sum of its binary digits is even.

The product of its digits is 105815808, while the sum is 65.

The spelling of 287923993463 in words is "two hundred eighty-seven billion, nine hundred twenty-three million, nine hundred ninety-three thousand, four hundred sixty-three".