80628838 has 16 divisors (see below), whose sum is σ = 122988240. Its totient is φ = 39638016.

The previous prime is 80628791. The next prime is 80628851. The reversal of 80628838 is 83882608.

It is a junction number, because it is equal to n+sod(n) for n = 80628794 and 80628803.

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 7 ways as a sum of consecutive naturals, for example, 33181 + ... + 35527.

It is an arithmetic number, because the mean of its divisors is an integer number (7686765).

Almost surely, 2^80628838 is an apocalyptic number.

80628838 is a deficient number, since it is larger than the sum of its proper divisors (42359402).

80628838 is a wasteful number, since it uses less digits than its factorization.

80628838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2631.

The product of its (nonzero) digits is 147456, while the sum is 43.

The square root of 80628838 is about 8979.3562130032. The cubic root of 80628838 is about 432.0129847206.

It can be divided in two parts, 8062 and 8838, that added together give a square (16900 = 130²).

The spelling of 80628838 in words is "eighty million, six hundred twenty-eight thousand, eight hundred thirty-eight".