83356564 has 6 divisors (see below), whose sum is σ = 145873994. Its totient is φ = 41678280.

The previous prime is 83356549. The next prime is 83356573. The reversal of 83356564 is 46565338.

It can be written as a sum of positive squares in only one way, i.e., 50523664 + 32832900 = 7108^2 + 5730^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10419567 + ... + 10419574.

Almost surely, 2^83356564 is an apocalyptic number.

It is an amenable number.

83356564 is a deficient number, since it is larger than the sum of its proper divisors (62517430).

83356564 is a wasteful number, since it uses less digits than its factorization.

83356564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20839145 (or 20839143 counting only the distinct ones).

The product of its digits is 259200, while the sum is 40.

The square root of 83356564 is about 9129.9815991052. The cubic root of 83356564 is about 436.8308163104.

The spelling of 83356564 in words is "eighty-three million, three hundred fifty-six thousand, five hundred sixty-four".