5250777688 has 32 divisors (see below), whose sum is σ = 10782248400. Its totient is φ = 2382357888.

The previous prime is 5250777677. The next prime is 5250777689. The reversal of 5250777688 is 8867770525.

It is a happy number.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5250777689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 421731 + ... + 434002.

Almost surely, 2^5250777688 is an apocalyptic number.

It is an amenable number.

5250777688 is an abundant number, since it is smaller than the sum of its proper divisors (5531470712).

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

5250777688 is a wasteful number, since it uses less digits than its factorization.

5250777688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 855811 (or 855807 counting only the distinct ones).

The product of its (nonzero) digits is 6585600, while the sum is 55.

The square root of 5250777688 is about 72462.2500892706. The cubic root of 5250777688 is about 1738.0991361176.

The spelling of 5250777688 in words is "five billion, two hundred fifty million, seven hundred seventy-seven thousand, six hundred eighty-eight".