83457928 has 8 divisors (see below), whose sum is σ = 156483630. Its totient is φ = 41728960.

The previous prime is 83457901. The next prime is 83457929. The reversal of 83457928 is 82975438.

It can be written as a sum of positive squares in only one way, i.e., 82846404 + 611524 = 9102^2 + 782^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (83457929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5216113 + ... + 5216128.

Almost surely, 2^83457928 is an apocalyptic number.

It is an amenable number.

83457928 is a deficient number, since it is larger than the sum of its proper divisors (73025702).

83457928 is a wasteful number, since it uses less digits than its factorization.

83457928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10432247 (or 10432243 counting only the distinct ones).

The product of its digits is 483840, while the sum is 46.

The square root of 83457928 is about 9135.5310737800. The cubic root of 83457928 is about 437.0078109013.

The spelling of 83457928 in words is "eighty-three million, four hundred fifty-seven thousand, nine hundred twenty-eight".