80612371 has 4 divisors (see below), whose sum is σ = 92128432. Its totient is φ = 69096312.

The previous prime is 80612359. The next prime is 80612377. The reversal of 80612371 is 17321608.

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 80612371 - 2⁷ = 80612243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80612377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5758020 + ... + 5758033.

It is an arithmetic number, because the mean of its divisors is an integer number (23032108).

Almost surely, 2^80612371 is an apocalyptic number.

80612371 is a deficient number, since it is larger than the sum of its proper divisors (11516061).

80612371 is a wasteful number, since it uses less digits than its factorization.

80612371 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11516060.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 80612371 is about 8978.4392296211. The cubic root of 80612371 is about 431.9835724063.

Adding to 80612371 its reverse (17321608), we get a palindrome (97933979).

The spelling of 80612371 in words is "eighty million, six hundred twelve thousand, three hundred seventy-one".