80576065 has 8 divisors (see below), whose sum is σ = 100025640. Its totient is φ = 62237952.

The previous prime is 80576063. The next prime is 80576101. The reversal of 80576065 is 56067508.

It can be written as a sum of positive squares in 4 ways, for example, as 13483584 + 67092481 = 3672^2 + 8191^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 80576065 - 2¹ = 80576063 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80576063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 277704 + ... + 277993.

It is an arithmetic number, because the mean of its divisors is an integer number (12503205).

Almost surely, 2^80576065 is an apocalyptic number.

It is an amenable number.

80576065 is a deficient number, since it is larger than the sum of its proper divisors (19449575).

80576065 is a wasteful number, since it uses less digits than its factorization.

80576065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555731.

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 80576065 is about 8976.4171583099. The cubic root of 80576065 is about 431.9187107708.

The spelling of 80576065 in words is "eighty million, five hundred seventy-six thousand, sixty-five".