83500064 has 12 divisors (see below), whose sum is σ = 164390814. Its totient is φ = 41750016.

The previous prime is 83500063. The next prime is 83500091. The reversal of 83500064 is 46000538.

It can be written as a sum of positive squares in only one way, i.e., 68227600 + 15272464 = 8260^2 + 3908^2 .

It is not an unprimeable number, because it can be changed into a prime (83500061) by changing a digit.

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 as a sum of consecutive naturals, namely, 1304657 + ... + 1304720.

Almost surely, 2^83500064 is an apocalyptic number.

It is an amenable number.

83500064 is a deficient number, since it is larger than the sum of its proper divisors (80890750).

83500064 is a wasteful number, since it uses less digits than its factorization.

83500064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2609387 (or 2609379 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 83500064 is about 9137.8369431721. The cubic root of 83500064 is about 437.0813436122.

The spelling of 83500064 in words is "eighty-three million, five hundred thousand, sixty-four".