83302805 has 12 divisors (see below), whose sum is σ = 106191300. Its totient is φ = 62721024.

The previous prime is 83302781. The next prime is 83302837. The reversal of 83302805 is 50820338.

It can be written as a sum of positive squares in 6 ways, for example, as 25633969 + 57668836 = 5063^2 + 7594^2 .

It is not a de Polignac number, because 83302805 - 2⁶ = 83302741 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27380 + ... + 30269.

It is an arithmetic number, because the mean of its divisors is an integer number (8849275).

Almost surely, 2^83302805 is an apocalyptic number.

83302805 is a gapful number since it is divisible by the number (85) formed by its first and last digit.

It is an amenable number.

83302805 is a deficient number, since it is larger than the sum of its proper divisors (22888495).

83302805 is a wasteful number, since it uses less digits than its factorization.

83302805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57688 (or 57671 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 83302805 is about 9127.0370329039. The cubic root of 83302805 is about 436.7368879423.

The spelling of 83302805 in words is "eighty-three million, three hundred two thousand, eight hundred five".