80028135 has 32 divisors (see below), whose sum is σ = 155208960. Its totient is φ = 38800800.

The previous prime is 80028119. The next prime is 80028167. The reversal of 80028135 is 53182008.

It is a happy number.

It is not a de Polignac number, because 80028135 - 2⁴ = 80028119 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 80028099 and 80028108.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 25461 + ... + 28430.

It is an arithmetic number, because the mean of its divisors is an integer number (4850280).

Almost surely, 2^80028135 is an apocalyptic number.

80028135 is a deficient number, since it is larger than the sum of its proper divisors (75180825).

80028135 is a wasteful number, since it uses less digits than its factorization.

80028135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53916 (or 53910 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 80028135 is about 8945.8445660541. The cubic root of 80028135 is about 430.9374446027.

The spelling of 80028135 in words is "eighty million, twenty-eight thousand, one hundred thirty-five".