80909342 has 4 divisors (see below), whose sum is σ = 121364016. Its totient is φ = 40454670.

The previous prime is 80909317. The next prime is 80909371. The reversal of 80909342 is 24390908.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20227334 + ... + 20227337.

It is an arithmetic number, because the mean of its divisors is an integer number (30341004).

Almost surely, 2^80909342 is an apocalyptic number.

80909342 is a deficient number, since it is larger than the sum of its proper divisors (40454674).

80909342 is a wasteful number, since it uses less digits than its factorization.

80909342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40454673.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 80909342 is about 8994.9620343835. The cubic root of 80909342 is about 432.5133892744.

The spelling of 80909342 in words is "eighty million, nine hundred nine thousand, three hundred forty-two".