83299905 has 96 divisors (see below), whose sum is σ = 167311872. Its totient is φ = 38016000.

The previous prime is 83299903. The next prime is 83299927. The reversal of 83299905 is 50999238.

It is not a de Polignac number, because 83299905 - 2¹ = 83299903 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (83299903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 551580 + ... + 551730.

It is an arithmetic number, because the mean of its divisors is an integer number (1742832).

Almost surely, 2^83299905 is an apocalyptic number.

It is an amenable number.

83299905 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

83299905 is a wasteful number, since it uses less digits than its factorization.

83299905 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239 (or 236 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 45.

The square root of 83299905 is about 9126.8781628769. The cubic root of 83299905 is about 436.7318198790.

The spelling of 83299905 in words is "eighty-three million, two hundred ninety-nine thousand, nine hundred five".