80475611 has 4 divisors (see below), whose sum is σ = 80857224. Its totient is φ = 80094000.

The previous prime is 80475607. The next prime is 80475623. The reversal of 80475611 is 11657408.

It is a happy number.

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 80475611 - 2² = 80475607 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80475011) 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, 190490 + ... + 190911.

It is an arithmetic number, because the mean of its divisors is an integer number (20214306).

Almost surely, 2^80475611 is an apocalyptic number.

80475611 is a deficient number, since it is larger than the sum of its proper divisors (381613).

80475611 is a wasteful number, since it uses less digits than its factorization.

80475611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381612.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 80475611 is about 8970.8199736702. The cubic root of 80475611 is about 431.7391454320.

The spelling of 80475611 in words is "eighty million, four hundred seventy-five thousand, six hundred eleven".