5072878566 has 72 divisors (see below), whose sum is σ = 12804586704. Its totient is φ = 1447256160.

The previous prime is 5072878553. The next prime is 5072878583. The reversal of 5072878566 is 6658782705.

5072878566 is a `hidden beast` number, since 5 + 0 + 7 + 2 + 8 + 78 + 566 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 651456 + ... + 659196.

It is an arithmetic number, because the mean of its divisors is an integer number (177841482).

Almost surely, 2^5072878566 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5072878566, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6402293352).

5072878566 is an abundant number, since it is smaller than the sum of its proper divisors (7731708138).

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

5072878566 is a wasteful number, since it uses less digits than its factorization.

5072878566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8506 (or 8496 counting only the distinct ones).

The product of its (nonzero) digits is 5644800, while the sum is 54.

The square root of 5072878566 is about 71224.1431398090. The cubic root of 5072878566 is about 1718.2439448542.

The spelling of 5072878566 in words is "five billion, seventy-two million, eight hundred seventy-eight thousand, five hundred sixty-six".