2287768536 has 40 divisors (see below), whose sum is σ = 6407872020. Its totient is φ = 762589296.

The previous prime is 2287768451. The next prime is 2287768537. The reversal of 2287768536 is 6358677822.

2287768536 is a `hidden beast` number, since 22 + 87 + 7 + 6 + 8 + 536 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2287768537) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 1764606 + ... + 1765901.

Almost surely, 2^2287768536 is an apocalyptic number.

It is an amenable number.

2287768536 is an abundant number, since it is smaller than the sum of its proper divisors (4120103484).

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

2287768536 is a wasteful number, since it uses less digits than its factorization.

2287768536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3530525 (or 3530512 counting only the distinct ones).

The product of its digits is 6773760, while the sum is 54.

The square root of 2287768536 is about 47830.6234122032. The cubic root of 2287768536 is about 1317.6620184410.

The spelling of 2287768536 in words is "two billion, two hundred eighty-seven million, seven hundred sixty-eight thousand, five hundred thirty-six".