80970198 has 8 divisors (see below), whose sum is σ = 161940408. Its totient is φ = 26990064.

The previous prime is 80970187. The next prime is 80970221. The reversal of 80970198 is 89107908.

It is a sphenic number, since it is the product of 3 distinct primes.

80970198 is an admirable number.

It is a Curzon number.

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 3 ways as a sum of consecutive naturals, for example, 6747511 + ... + 6747522.

It is an arithmetic number, because the mean of its divisors is an integer number (20242551).

Almost surely, 2^80970198 is an apocalyptic number.

80970198 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

80970198 is a wasteful number, since it uses less digits than its factorization.

80970198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13495038.

The product of its (nonzero) digits is 36288, while the sum is 42.

The square root of 80970198 is about 8998.3441810146. The cubic root of 80970198 is about 432.6218004821.

The spelling of 80970198 in words is "eighty million, nine hundred seventy thousand, one hundred ninety-eight".