5123257782 has 16 divisors (see below), whose sum is σ = 10263628800. Its totient is φ = 1704900392.

The previous prime is 5123257781. The next prime is 5123257817. The reversal of 5123257782 is 2877523215.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5123257781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 709158 + ... + 716345.

It is an arithmetic number, because the mean of its divisors is an integer number (641476800).

Almost surely, 2^5123257782 is an apocalyptic number.

5123257782 is an abundant number, since it is smaller than the sum of its proper divisors (5140371018).

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

5123257782 is a wasteful number, since it uses less digits than its factorization.

5123257782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1426107.

The product of its digits is 235200, while the sum is 42.

The square root of 5123257782 is about 71576.9361037478. The cubic root of 5123257782 is about 1723.9132306949.

The spelling of 5123257782 in words is "five billion, one hundred twenty-three million, two hundred fifty-seven thousand, seven hundred eighty-two".