80372198 has 8 divisors (see below), whose sum is σ = 120754920. Its totient is φ = 40120560.

The previous prime is 80372183. The next prime is 80372231. The reversal of 80372198 is 89127308.

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

It is a super-2 number, since 2×80372198² = 12919380422702408, which contains 22 as substring.

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, 31223 + ... + 33698.

It is an arithmetic number, because the mean of its divisors is an integer number (15094365).

Almost surely, 2^80372198 is an apocalyptic number.

80372198 is a deficient number, since it is larger than the sum of its proper divisors (40382722).

80372198 is a wasteful number, since it uses less digits than its factorization.

80372198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65542.

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 80372198 is about 8965.0542664281. The cubic root of 80372198 is about 431.5541346041.

The spelling of 80372198 in words is "eighty million, three hundred seventy-two thousand, one hundred ninety-eight".