80028756 has 24 divisors (see below), whose sum is σ = 207482240. Its totient is φ = 26676216.

The previous prime is 80028749. The next prime is 80028787. The reversal of 80028756 is 65782008.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 80028756.

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, 370396 + ... + 370611.

Almost surely, 2^80028756 is an apocalyptic number.

It is an amenable number.

80028756 is an abundant number, since it is smaller than the sum of its proper divisors (127453484).

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

80028756 is a wasteful number, since it uses less digits than its factorization.

80028756 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 741020 (or 741012 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 80028756 is about 8945.8792748393. The cubic root of 80028756 is about 430.9385592584.

The spelling of 80028756 in words is "eighty million, twenty-eight thousand, seven hundred fifty-six".