5151785808 has 160 divisors (see below), whose sum is σ = 15500007936. Its totient is φ = 1460035584.

The previous prime is 5151785803. The next prime is 5151785827. The reversal of 5151785808 is 8085871515.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5151785803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 493410 + ... + 503742.

Almost surely, 2^5151785808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5151785808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7750003968).

5151785808 is an abundant number, since it is smaller than the sum of its proper divisors (10348222128).

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

5151785808 is a wasteful number, since it uses less digits than its factorization.

5151785808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10421 (or 10415 counting only the distinct ones).

The product of its (nonzero) digits is 448000, while the sum is 48.

The square root of 5151785808 is about 71775.9417075109. The cubic root of 5151785808 is about 1727.1070864788.

The spelling of 5151785808 in words is "five billion, one hundred fifty-one million, seven hundred eighty-five thousand, eight hundred eight".