2628787563 has 12 divisors (see below), whose sum is σ = 3928073760. Its totient is φ = 1692092976.

The previous prime is 2628787547. The next prime is 2628787583. The reversal of 2628787563 is 3657878262.

2628787563 is a `hidden beast` number, since 2 + 6 + 2 + 8 + 78 + 7 + 563 = 666.

2628787563 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2628787563 - 2⁴ = 2628787547 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2628787543) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5035731 + ... + 5036252.

It is an arithmetic number, because the mean of its divisors is an integer number (327339480).

Almost surely, 2^2628787563 is an apocalyptic number.

2628787563 is a deficient number, since it is larger than the sum of its proper divisors (1299286197).

2628787563 is a wasteful number, since it uses less digits than its factorization.

2628787563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10072018 (or 10072015 counting only the distinct ones).

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

The square root of 2628787563 is about 51271.7033362458. The cubic root of 2628787563 is about 1380.1252359564.

The spelling of 2628787563 in words is "two billion, six hundred twenty-eight million, seven hundred eighty-seven thousand, five hundred sixty-three".