80486836 has 12 divisors (see below), whose sum is σ = 140928228. Its totient is φ = 40221632.

The previous prime is 80486779. The next prime is 80486851. The reversal of 80486836 is 63868408.

It can be written as a sum of positive squares in 2 ways, for example, as 43956900 + 36529936 = 6630^2 + 6044^2 .

It is a junction number, because it is equal to n+sod(n) for n = 80486792 and 80486801.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5160 + ... + 13696.

It is an arithmetic number, because the mean of its divisors is an integer number (11744019).

Almost surely, 2^80486836 is an apocalyptic number.

It is an amenable number.

80486836 is a deficient number, since it is larger than the sum of its proper divisors (60441392).

80486836 is a wasteful number, since it uses less digits than its factorization.

80486836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10898 (or 10896 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 43.

The square root of 80486836 is about 8971.4455914306. The cubic root of 80486836 is about 431.7592179589.

It can be divided in two parts, 8048 and 6836, that added together give a square (14884 = 122²).

The spelling of 80486836 in words is "eighty million, four hundred eighty-six thousand, eight hundred thirty-six".