3826578805 has 24 divisors (see below), whose sum is σ = 5364596952. Its totient is φ = 2612639232.

The previous prime is 3826578803. The next prime is 3826578809. The reversal of 3826578805 is 5088756283.

It can be written as a sum of positive squares in 4 ways, for example, as 86155524 + 3740423281 = 9282^2 + 61159^2 .

It is not a de Polignac number, because 3826578805 - 2¹ = 3826578803 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3826578803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23569 + ... + 90601.

It is an arithmetic number, because the mean of its divisors is an integer number (223524873).

Almost surely, 2^3826578805 is an apocalyptic number.

3826578805 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3826578805 is a deficient number, since it is larger than the sum of its proper divisors (1538018147).

3826578805 is a wasteful number, since it uses less digits than its factorization.

3826578805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67285 (or 67278 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 52.

The square root of 3826578805 is about 61859.3469493495. The cubic root of 3826578805 is about 1564.1205448490.

The spelling of 3826578805 in words is "three billion, eight hundred twenty-six million, five hundred seventy-eight thousand, eight hundred five".