1996799805 has 192 divisors, whose sum is σ = 4705279488. Its totient is φ = 756449280.

The previous prime is 1996799789. The next prime is 1996799837. The reversal of 1996799805 is 5089976991.

It is not a de Polignac number, because 1996799805 - 2⁴ = 1996799789 is a prime.

It is a super-2 number, since 2×1996799805² = 7974418922496076050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

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 191 ways as a sum of consecutive naturals, for example, 4369137 + ... + 4369593.

It is an arithmetic number, because the mean of its divisors is an integer number (24506664).

Almost surely, 2^1996799805 is an apocalyptic number.

1996799805 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1996799805 is an abundant number, since it is smaller than the sum of its proper divisors (2708479683).

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

1996799805 is a wasteful number, since it uses less digits than its factorization.

1996799805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 596 (or 593 counting only the distinct ones).

The product of its (nonzero) digits is 11022480, while the sum is 63.

The square root of 1996799805 is about 44685.5659581481. The cubic root of 1996799805 is about 1259.2486923140.

The spelling of 1996799805 in words is "one billion, nine hundred ninety-six million, seven hundred ninety-nine thousand, eight hundred five".