80581010 has 8 divisors (see below), whose sum is σ = 145045836. Its totient is φ = 32232400.

The previous prime is 80581009. The next prime is 80581013. The reversal of 80581010 is 1018508.

It can be written as a sum of positive squares in 2 ways, for example, as 77598481 + 2982529 = 8809^2 + 1727^2 .

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

It is not an unprimeable number, because it can be changed into a prime (80581013) 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, 4029041 + ... + 4029060.

Almost surely, 2^80581010 is an apocalyptic number.

80581010 is a deficient number, since it is larger than the sum of its proper divisors (64464826).

80581010 is a wasteful number, since it uses less digits than its factorization.

80581010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8058108.

The product of its (nonzero) digits is 320, while the sum is 23.

The square root of 80581010 is about 8976.6925980564. The cubic root of 80581010 is about 431.9275462909.

Adding to 80581010 its reverse (1018508), we get a palindrome (81599518).

The spelling of 80581010 in words is "eighty million, five hundred eighty-one thousand, ten".