83504664 has 24 divisors (see below), whose sum is σ = 226158660. Its totient is φ = 27834864.

The previous prime is 83504657. The next prime is 83504683. The reversal of 83504664 is 46640538.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 579822 + ... + 579965.

Almost surely, 2^83504664 is an apocalyptic number.

It is an amenable number.

83504664 is an abundant number, since it is smaller than the sum of its proper divisors (142653996).

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

83504664 is a wasteful number, since it uses less digits than its factorization.

83504664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1159799 (or 1159792 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 36.

The square root of 83504664 is about 9138.0886404105. The cubic root of 83504664 is about 437.0893697029.

The spelling of 83504664 in words is "eighty-three million, five hundred four thousand, six hundred sixty-four".