8122457837 has 16 divisors (see below), whose sum is σ = 9056024880. Its totient is φ = 7233408000.

The previous prime is 8122457831. The next prime is 8122457851. The reversal of 8122457837 is 7387542218.

It can be written as a sum of positive squares in 8 ways, for example, as 35772361 + 8086685476 = 5981^2 + 89926^2 .

It is not a de Polignac number, because 8122457837 - 2⁴ = 8122457821 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8122457791 and 8122457800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8122457831) 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 15 ways as a sum of consecutive naturals, for example, 512837 + ... + 528437.

It is an arithmetic number, because the mean of its divisors is an integer number (566001555).

Almost surely, 2^8122457837 is an apocalyptic number.

It is an amenable number.

8122457837 is a deficient number, since it is larger than the sum of its proper divisors (933567043).

8122457837 is a wasteful number, since it uses less digits than its factorization.

8122457837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17024.

The product of its digits is 752640, while the sum is 47.

The square root of 8122457837 is about 90124.6794002619. The cubic root of 8122457837 is about 2010.1531889055.

The spelling of 8122457837 in words is "eight billion, one hundred twenty-two million, four hundred fifty-seven thousand, eight hundred thirty-seven".