6212087805 has 128 divisors (see below), whose sum is σ = 12940886016. Its totient is φ = 2469657600.

The previous prime is 6212087803. The next prime is 6212087863. The reversal of 6212087805 is 5087802126.

It is not a de Polignac number, because 6212087805 - 2¹ = 6212087803 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6212087801) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2605644 + ... + 2608026.

It is an arithmetic number, because the mean of its divisors is an integer number (101100672).

Almost surely, 2^6212087805 is an apocalyptic number.

It is an amenable number.

6212087805 is an abundant number, since it is smaller than the sum of its proper divisors (6728798211).

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

6212087805 is a wasteful number, since it uses less digits than its factorization.

6212087805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2507.

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 6212087805 is about 78816.7990024969. The cubic root of 6212087805 is about 1838.2836670257.

The spelling of 6212087805 in words is "six billion, two hundred twelve million, eighty-seven thousand, eight hundred five".