80968385 has 4 divisors (see below), whose sum is σ = 97162068. Its totient is φ = 64774704.

The previous prime is 80968369. The next prime is 80968387. The reversal of 80968385 is 58386908.

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 50751376 + 30217009 = 7124^2 + 5497^2 .

It is a cyclic number.

It is not a de Polignac number, because 80968385 - 2⁴ = 80968369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80968387) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8096834 + ... + 8096843.

It is an arithmetic number, because the mean of its divisors is an integer number (24290517).

Almost surely, 2^80968385 is an apocalyptic number.

It is an amenable number.

80968385 is a deficient number, since it is larger than the sum of its proper divisors (16193683).

80968385 is a wasteful number, since it uses less digits than its factorization.

80968385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16193682.

The product of its (nonzero) digits is 414720, while the sum is 47.

The square root of 80968385 is about 8998.2434396942. The cubic root of 80968385 is about 432.6185715197.

The spelling of 80968385 in words is "eighty million, nine hundred sixty-eight thousand, three hundred eighty-five".