83546564 has 12 divisors (see below), whose sum is σ = 151248300. Its totient is φ = 40332768.

The previous prime is 83546543. The next prime is 83546579. The reversal of 83546564 is 46564538.

It can be written as a sum of positive squares in 2 ways, for example, as 57638464 + 25908100 = 7592^2 + 5090^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 359999 + ... + 360230.

It is an arithmetic number, because the mean of its divisors is an integer number (12604025).

Almost surely, 2^83546564 is an apocalyptic number.

It is an amenable number.

83546564 is a deficient number, since it is larger than the sum of its proper divisors (67701736).

83546564 is a wasteful number, since it uses less digits than its factorization.

83546564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720262 (or 720260 counting only the distinct ones).

The product of its digits is 345600, while the sum is 41.

The square root of 83546564 is about 9140.3809548618. The cubic root of 83546564 is about 437.1624633540.

The spelling of 83546564 in words is "eighty-three million, five hundred forty-six thousand, five hundred sixty-four".