80169419 has 4 divisors (see below), whose sum is σ = 87457560. Its totient is φ = 72881280.

The previous prime is 80169413. The next prime is 80169469. The reversal of 80169419 is 91496108.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 80169419 - 2⁸ = 80169163 is a prime.

It is a super-2 number, since 2×80169419² = 12854271485595122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80169413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3644054 + ... + 3644075.

It is an arithmetic number, because the mean of its divisors is an integer number (21864390).

Almost surely, 2^80169419 is an apocalyptic number.

80169419 is a deficient number, since it is larger than the sum of its proper divisors (7288141).

80169419 is a wasteful number, since it uses less digits than its factorization.

80169419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7288140.

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 80169419 is about 8953.7377111461. The cubic root of 80169419 is about 431.1908920179.

The spelling of 80169419 in words is "eighty million, one hundred sixty-nine thousand, four hundred nineteen".