2855814487 has 2 divisors, whose sum is σ = 2855814488. Its totient is φ = 2855814486.

The previous prime is 2855814473. The next prime is 2855814569. The reversal of 2855814487 is 7844185582.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2855814487 - 2²³ = 2847425879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2855814407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1427907243 + 1427907244.

It is an arithmetic number, because the mean of its divisors is an integer number (1427907244).

Almost surely, 2^2855814487 is an apocalyptic number.

2855814487 is a deficient number, since it is larger than the sum of its proper divisors (1).

2855814487 is an equidigital number, since it uses as much as digits as its factorization.

2855814487 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2867200, while the sum is 52.

The square root of 2855814487 is about 53439.8211729792. The cubic root of 2855814487 is about 1418.7634687744.

The spelling of 2855814487 in words is "two billion, eight hundred fifty-five million, eight hundred fourteen thousand, four hundred eighty-seven".