83579928 has 32 divisors (see below), whose sum is σ = 209252160. Its totient is φ = 27819680.

The previous prime is 83579927. The next prime is 83579941. The reversal of 83579928 is 82997538.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83579927) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 17743 + ... + 21953.

It is an arithmetic number, because the mean of its divisors is an integer number (6539130).

Almost surely, 2^83579928 is an apocalyptic number.

It is an amenable number.

83579928 is an abundant number, since it is smaller than the sum of its proper divisors (125672232).

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

83579928 is a wasteful number, since it uses less digits than its factorization.

83579928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5047 (or 5043 counting only the distinct ones).

The product of its digits is 1088640, while the sum is 51.

The square root of 83579928 is about 9142.2058607319. The cubic root of 83579928 is about 437.2206486605.

The spelling of 83579928 in words is "eighty-three million, five hundred seventy-nine thousand, nine hundred twenty-eight".