80289750 has 32 divisors (see below), whose sum is σ = 200405088. Its totient is φ = 21410400.

The previous prime is 80289749. The next prime is 80289761. The reversal of 80289750 is 5798208.

It is a junction number, because it is equal to n+sod(n) for n = 80289699 and 80289708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 52777 + ... + 54276.

It is an arithmetic number, because the mean of its divisors is an integer number (6262659).

Almost surely, 2^80289750 is an apocalyptic number.

80289750 is an abundant number, since it is smaller than the sum of its proper divisors (120115338).

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

80289750 is a wasteful number, since it uses less digits than its factorization.

80289750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107073 (or 107063 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 39.

The square root of 80289750 is about 8960.4547875652. The cubic root of 80289750 is about 431.4065174360.

The spelling of 80289750 in words is "eighty million, two hundred eighty-nine thousand, seven hundred fifty".