80242937 has 4 divisors (see below), whose sum is σ = 80439540. Its totient is φ = 80046336.

The previous prime is 80242933. The next prime is 80242949. The reversal of 80242937 is 73924208.

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

It can be written as a sum of positive squares in 2 ways, for example, as 43507216 + 36735721 = 6596^2 + 6061^2 .

It is a cyclic number.

It is not a de Polignac number, because 80242937 - 2² = 80242933 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 80242897 and 80242906.

It is not an unprimeable number, because it can be changed into a prime (80242931) by changing a digit.

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, 97688 + ... + 98505.

It is an arithmetic number, because the mean of its divisors is an integer number (20109885).

Almost surely, 2^80242937 is an apocalyptic number.

It is an amenable number.

80242937 is a deficient number, since it is larger than the sum of its proper divisors (196603).

80242937 is a wasteful number, since it uses less digits than its factorization.

80242937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196602.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 80242937 is about 8957.8422066924. The cubic root of 80242937 is about 431.3226571692.

The spelling of 80242937 in words is "eighty million, two hundred forty-two thousand, nine hundred thirty-seven".