5250777656 has 8 divisors (see below), whose sum is σ = 9845208120. Its totient is φ = 2625388824.

The previous prime is 5250777599. The next prime is 5250777673. The reversal of 5250777656 is 6567770525.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 328173596 + ... + 328173611.

It is an arithmetic number, because the mean of its divisors is an integer number (1230651015).

Almost surely, 2^5250777656 is an apocalyptic number.

It is an amenable number.

5250777656 is a deficient number, since it is larger than the sum of its proper divisors (4594430464).

5250777656 is a wasteful number, since it uses less digits than its factorization.

5250777656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 656347213 (or 656347209 counting only the distinct ones).

The product of its (nonzero) digits is 3087000, while the sum is 50.

The square root of 5250777656 is about 72462.2498684660. The cubic root of 5250777656 is about 1738.0991325867.

The spelling of 5250777656 in words is "five billion, two hundred fifty million, seven hundred seventy-seven thousand, six hundred fifty-six".