83448564 has 24 divisors (see below), whose sum is σ = 195883968. Its totient is φ = 27648960.

The previous prime is 83448557. The next prime is 83448581. The reversal of 83448564 is 46584438.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18817 + ... + 22824.

It is an arithmetic number, because the mean of its divisors is an integer number (8161832).

Almost surely, 2^83448564 is an apocalyptic number.

It is an amenable number.

83448564 is an abundant number, since it is smaller than the sum of its proper divisors (112435404).

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

83448564 is a wasteful number, since it uses less digits than its factorization.

83448564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41815 (or 41813 counting only the distinct ones).

The product of its digits is 368640, while the sum is 42.

The square root of 83448564 is about 9135.0185549894. The cubic root of 83448564 is about 436.9914661621.

The spelling of 83448564 in words is "eighty-three million, four hundred forty-eight thousand, five hundred sixty-four".