80605375 has 8 divisors (see below), whose sum is σ = 100595664. Its totient is φ = 64484200.

The previous prime is 80605361. The next prime is 80605397. The reversal of 80605375 is 57350608.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-80605375 is a prime.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 80605375.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 322297 + ... + 322546.

It is an arithmetic number, because the mean of its divisors is an integer number (12574458).

Almost surely, 2^80605375 is an apocalyptic number.

80605375 is a deficient number, since it is larger than the sum of its proper divisors (19990289).

80605375 is an equidigital number, since it uses as much as digits as its factorization.

80605375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644858 (or 644848 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 80605375 is about 8978.0496211594. The cubic root of 80605375 is about 431.9710753811.

The spelling of 80605375 in words is "eighty million, six hundred five thousand, three hundred seventy-five".