83368520 has 32 divisors (see below), whose sum is σ = 189846720. Its totient is φ = 32944320.

The previous prime is 83368507. The next prime is 83368573. The reversal of 83368520 is 2586338.

83368520 = T₁₃₁ + T₁₃₂ + ... + T₇₉₄.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9236 + ... + 15875.

It is an arithmetic number, because the mean of its divisors is an integer number (5932710).

Almost surely, 2^83368520 is an apocalyptic number.

It is an amenable number.

83368520 is an abundant number, since it is smaller than the sum of its proper divisors (106478200).

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

83368520 is a wasteful number, since it uses less digits than its factorization.

83368520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25205 (or 25201 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 83368520 is about 9130.6363414605. The cubic root of 83368520 is about 436.8517004868.

The spelling of 83368520 in words is "eighty-three million, three hundred sixty-eight thousand, five hundred twenty".