80028916 has 18 divisors (see below), whose sum is σ = 153940850. Its totient is φ = 36376560.

The previous prime is 80028913. The next prime is 80028919. The reversal of 80028916 is 61982008.

It is an interprime number because it is at equal distance from previous prime (80028913) and next prime (80028919).

It can be written as a sum of positive squares in only one way, i.e., 59290000 + 20738916 = 7700^2 + 4554^2 .

It is a super-2 number, since 2×80028916² = 12809254792270112, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80028913) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 82191 + ... + 83158.

Almost surely, 2^80028916 is an apocalyptic number.

It is an amenable number.

80028916 is a deficient number, since it is larger than the sum of its proper divisors (73911934).

80028916 is a wasteful number, since it uses less digits than its factorization.

80028916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 165375 (or 165362 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 80028916 is about 8945.8882174997. Note that the first 3 decimals coincide. The cubic root of 80028916 is about 430.9388464474.

The spelling of 80028916 in words is "eighty million, twenty-eight thousand, nine hundred sixteen".