80263385 has 4 divisors (see below), whose sum is σ = 96316068. Its totient is φ = 64210704.

The previous prime is 80263361. The next prime is 80263411. The reversal of 80263385 is 58336208.

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 14523721 + 65739664 = 3811^2 + 8108^2 .

It is a cyclic number.

It is not a de Polignac number, because 80263385 - 2⁶ = 80263321 is a prime.

It is a Duffinian 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 3 ways as a sum of consecutive naturals, for example, 8026334 + ... + 8026343.

It is an arithmetic number, because the mean of its divisors is an integer number (24079017).

Almost surely, 2^80263385 is an apocalyptic number.

It is an amenable number.

80263385 is a deficient number, since it is larger than the sum of its proper divisors (16052683).

80263385 is a wasteful number, since it uses less digits than its factorization.

80263385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16052682.

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 80263385 is about 8958.9834802839. The cubic root of 80263385 is about 431.3592914906.

It can be divided in two parts, 8026 and 3385, that added together give a palindrome (11411).

The spelling of 80263385 in words is "eighty million, two hundred sixty-three thousand, three hundred eighty-five".