80648611 has 4 divisors (see below), whose sum is σ = 80790424. Its totient is φ = 80506800.

The previous prime is 80648609. The next prime is 80648657. The reversal of 80648611 is 11684608.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 80648611 - 2¹ = 80648609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80648671) 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, 70050 + ... + 71191.

It is an arithmetic number, because the mean of its divisors is an integer number (20197606).

Almost surely, 2^80648611 is an apocalyptic number.

80648611 is a deficient number, since it is larger than the sum of its proper divisors (141813).

80648611 is a wasteful number, since it uses less digits than its factorization.

80648611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141812.

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 80648611 is about 8980.4571709908. The cubic root of 80648611 is about 432.0482967122.

The spelling of 80648611 in words is "eighty million, six hundred forty-eight thousand, six hundred eleven".