80137605 has 16 divisors (see below), whose sum is σ = 129467520. Its totient is φ = 42324288.

The previous prime is 80137571. The next prime is 80137621. The reversal of 80137605 is 50673108.

It is not a de Polignac number, because 80137605 - 2⁸ = 80137349 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 24390 + ... + 27479.

It is an arithmetic number, because the mean of its divisors is an integer number (8091720).

Almost surely, 2^80137605 is an apocalyptic number.

It is an amenable number.

80137605 is a deficient number, since it is larger than the sum of its proper divisors (49329915).

80137605 is a wasteful number, since it uses less digits than its factorization.

80137605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51980.

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 80137605 is about 8951.9609583599. The cubic root of 80137605 is about 431.1338473152.

The spelling of 80137605 in words is "eighty million, one hundred thirty-seven thousand, six hundred five".