80170398 has 80 divisors (see below), whose sum is σ = 224002944. Its totient is φ = 20820240.

The previous prime is 80170373. The next prime is 80170421. The reversal of 80170398 is 89307108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 9261 + ... + 15687.

Almost surely, 2^80170398 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80170398, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (112001472).

80170398 is an abundant number, since it is smaller than the sum of its proper divisors (143832546).

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

80170398 is a wasteful number, since it uses less digits than its factorization.

80170398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6459 (or 6450 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 36.

The square root of 80170398 is about 8953.7923808853. The cubic root of 80170398 is about 431.1926471933.

The spelling of 80170398 in words is "eighty million, one hundred seventy thousand, three hundred ninety-eight".