8420627826 has 24 divisors (see below), whose sum is σ = 19648132140. Its totient is φ = 2590962336.

The previous prime is 8420627791. The next prime is 8420627827. The reversal of 8420627826 is 6287260248.

It can be written as a sum of positive squares in 2 ways, for example, as 6519755025 + 1900872801 = 80745^2 + 43599^2 .

It is not an unprimeable number, because it can be changed into a prime (8420627827) 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 11 ways as a sum of consecutive naturals, for example, 17992561 + ... + 17993028.

Almost surely, 2^8420627826 is an apocalyptic number.

8420627826 is an abundant number, since it is smaller than the sum of its proper divisors (11227504314).

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

8420627826 is a wasteful number, since it uses less digits than its factorization.

8420627826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35985610 (or 35985607 counting only the distinct ones).

The product of its (nonzero) digits is 516096, while the sum is 45.

The square root of 8420627826 is about 91763.9789132969. The cubic root of 8420627826 is about 2034.4553254161.

The spelling of 8420627826 in words is "eight billion, four hundred twenty million, six hundred twenty-seven thousand, eight hundred twenty-six".