80863028 has 6 divisors (see below), whose sum is σ = 141510306. Its totient is φ = 40431512.

The previous prime is 80862959. The next prime is 80863039. The reversal of 80863028 is 82036808.

It can be written as a sum of positive squares in only one way, i.e., 58186384 + 22676644 = 7628^2 + 4762^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10107875 + ... + 10107882.

It is an arithmetic number, because the mean of its divisors is an integer number (23585051).

Almost surely, 2^80863028 is an apocalyptic number.

It is an amenable number.

80863028 is a deficient number, since it is larger than the sum of its proper divisors (60647278).

80863028 is a wasteful number, since it uses less digits than its factorization.

80863028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20215761 (or 20215759 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 80863028 is about 8992.3872247585. The cubic root of 80863028 is about 432.4308473085.

It can be divided in two parts, 808 and 63028, that added together give a palindrome (63836).

The spelling of 80863028 in words is "eighty million, eight hundred sixty-three thousand, twenty-eight".