2563229887 has 4 divisors (see below), whose sum is σ = 2563344360. Its totient is φ = 2563115416.

The previous prime is 2563229869. The next prime is 2563229891. The reversal of 2563229887 is 7889223652.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2563229887 - 2²³ = 2554841279 is a prime.

It is a super-2 number, since 2×2563229887² = 13140294907220065538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2563229897) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11428 + ... + 72505.

It is an arithmetic number, because the mean of its divisors is an integer number (640836090).

Almost surely, 2^2563229887 is an apocalyptic number.

2563229887 is a deficient number, since it is larger than the sum of its proper divisors (114473).

2563229887 is an equidigital number, since it uses as much as digits as its factorization.

2563229887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114472.

The product of its digits is 2903040, while the sum is 52.

The square root of 2563229887 is about 50628.3506249216. The cubic root of 2563229887 is about 1368.5558310864. Note that the first 3 decimals are identical.

The spelling of 2563229887 in words is "two billion, five hundred sixty-three million, two hundred twenty-nine thousand, eight hundred eighty-seven".