80662753 has 4 divisors (see below), whose sum is σ = 80688388. Its totient is φ = 80637120.

The previous prime is 80662721. The next prime is 80662787. The reversal of 80662753 is 35726608.

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 31550689 + 49112064 = 5617^2 + 7008^2 .

It is a cyclic number.

It is not a de Polignac number, because 80662753 - 2⁵ = 80662721 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80662793) 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, 7308 + ... + 14653.

It is an arithmetic number, because the mean of its divisors is an integer number (20172097).

Almost surely, 2^80662753 is an apocalyptic number.

It is an amenable number.

80662753 is a deficient number, since it is larger than the sum of its proper divisors (25635).

80662753 is a wasteful number, since it uses less digits than its factorization.

80662753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25634.

The product of its (nonzero) digits is 60480, while the sum is 37.

The square root of 80662753 is about 8981.2445128724. The cubic root of 80662753 is about 432.0735489343.

The spelling of 80662753 in words is "eighty million, six hundred sixty-two thousand, seven hundred fifty-three".