5072861838 has 96 divisors (see below), whose sum is σ = 11551260672. Its totient is φ = 1482909120.

The previous prime is 5072861837. The next prime is 5072861861. The reversal of 5072861838 is 8381682705.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5072861837) 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 47 ways as a sum of consecutive naturals, for example, 3410731 + ... + 3412217.

It is an arithmetic number, because the mean of its divisors is an integer number (120325632).

Almost surely, 2^5072861838 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5072861838, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5775630336).

5072861838 is an abundant number, since it is smaller than the sum of its proper divisors (6478398834).

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

5072861838 is a wasteful number, since it uses less digits than its factorization.

5072861838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1678 (or 1667 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 48.

The square root of 5072861838 is about 71224.0257076220. The cubic root of 5072861838 is about 1718.2420561950.

The spelling of 5072861838 in words is "five billion, seventy-two million, eight hundred sixty-one thousand, eight hundred thirty-eight".