854581824487 has 2 divisors, whose sum is σ = 854581824488. Its totient is φ = 854581824486.

The previous prime is 854581824463. The next prime is 854581824491. The reversal of 854581824487 is 784428185458.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 854581824487 - 2³¹ = 852434340839 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (854581824427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 427290912243 + 427290912244.

It is an arithmetic number, because the mean of its divisors is an integer number (427290912244).

Almost surely, 2^854581824487 is an apocalyptic number.

854581824487 is a deficient number, since it is larger than the sum of its proper divisors (1).

854581824487 is an equidigital number, since it uses as much as digits as its factorization.

854581824487 is an evil number, because the sum of its binary digits is even.

The product of its digits is 91750400, while the sum is 64.

The spelling of 854581824487 in words is "eight hundred fifty-four billion, five hundred eighty-one million, eight hundred twenty-four thousand, four hundred eighty-seven".