2287779636 has 24 divisors (see below), whose sum is σ = 5387129440. Its totient is φ = 755596512.

The previous prime is 2287779589. The next prime is 2287779653. The reversal of 2287779636 is 6369777822.

2287779636 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 873226 + ... + 875841.

Almost surely, 2^2287779636 is an apocalyptic number.

It is an amenable number.

2287779636 is an abundant number, since it is smaller than the sum of its proper divisors (3099349804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2287779636 is a wasteful number, since it uses less digits than its factorization.

2287779636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1749183 (or 1749181 counting only the distinct ones).

The product of its digits is 10668672, while the sum is 57.

The square root of 2287779636 is about 47830.7394465108. The cubic root of 2287779636 is about 1317.6641494877.

The spelling of 2287779636 in words is "two billion, two hundred eighty-seven million, seven hundred seventy-nine thousand, six hundred thirty-six".