80197450 has 12 divisors (see below), whose sum is σ = 149167350. Its totient is φ = 32078960.

The previous prime is 80197421. The next prime is 80197457. The reversal of 80197450 is 5479108.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 52287361 + 27910089 = 7231^2 + 5283^2 .

It is not an unprimeable number, because it can be changed into a prime (80197457) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 801925 + ... + 802024.

Almost surely, 2^80197450 is an apocalyptic number.

80197450 is a deficient number, since it is larger than the sum of its proper divisors (68969900).

80197450 is a wasteful number, since it uses less digits than its factorization.

80197450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1603961 (or 1603956 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 80197450 is about 8955.3028982832. The cubic root of 80197450 is about 431.2411410348.

The spelling of 80197450 in words is "eighty million, one hundred ninety-seven thousand, four hundred fifty".