1563085878 has 8 divisors (see below), whose sum is σ = 3126171768. Its totient is φ = 521028624.

The previous prime is 1563085847. The next prime is 1563085883. The reversal of 1563085878 is 8785803651.

1563085878 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

1563085878 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 1563085878.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 130257151 + ... + 130257162.

It is an arithmetic number, because the mean of its divisors is an integer number (390771471).

Almost surely, 2^1563085878 is an apocalyptic number.

1563085878 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1563085878 is a wasteful number, since it uses less digits than its factorization.

1563085878 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260514318.

The product of its (nonzero) digits is 1612800, while the sum is 51.

The square root of 1563085878 is about 39535.8808931836. The cubic root of 1563085878 is about 1160.5422252012.

The spelling of 1563085878 in words is "one billion, five hundred sixty-three million, eighty-five thousand, eight hundred seventy-eight".