80827856 has 10 divisors (see below), whose sum is σ = 156604002. Its totient is φ = 40413920.

The previous prime is 80827853. The next prime is 80827861. The reversal of 80827856 is 65872808.

It can be written as a sum of positive squares in only one way, i.e., 80712256 + 115600 = 8984^2 + 340^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80827853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2525855 + ... + 2525886.

Almost surely, 2^80827856 is an apocalyptic number.

It is an amenable number.

80827856 is a deficient number, since it is larger than the sum of its proper divisors (75776146).

80827856 is a wasteful number, since it uses less digits than its factorization.

80827856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5051749 (or 5051743 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 44.

The square root of 80827856 is about 8990.4313578382. The cubic root of 80827856 is about 432.3681418347.

The spelling of 80827856 in words is "eighty million, eight hundred twenty-seven thousand, eight hundred fifty-six".