5261737688 has 8 divisors (see below), whose sum is σ = 9865758180. Its totient is φ = 2630868840.

The previous prime is 5261737681. The next prime is 5261737693. The reversal of 5261737688 is 8867371625.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5261737681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 328858598 + ... + 328858613.

Almost surely, 2^5261737688 is an apocalyptic number.

It is an amenable number.

5261737688 is a deficient number, since it is larger than the sum of its proper divisors (4604020492).

5261737688 is a wasteful number, since it uses less digits than its factorization.

5261737688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657717217 (or 657717213 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 53.

The square root of 5261737688 is about 72537.8362511593. The cubic root of 5261737688 is about 1739.3076128357.

The spelling of 5261737688 in words is "five billion, two hundred sixty-one million, seven hundred thirty-seven thousand, six hundred eighty-eight".