80587240 has 32 divisors (see below), whose sum is σ = 181598760. Its totient is φ = 32185600.

The previous prime is 80587237. The next prime is 80587249. The reversal of 80587240 is 4278508.

It can be written as a sum of positive squares in 4 ways, for example, as 79459396 + 1127844 = 8914^2 + 1062^2 .

It is a junction number, because it is equal to n+sod(n) for n = 80587196 and 80587205.

It is not an unprimeable number, because it can be changed into a prime (80587249) 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, 36570 + ... + 38710.

Almost surely, 2^80587240 is an apocalyptic number.

It is an amenable number.

80587240 is an abundant number, since it is smaller than the sum of its proper divisors (101011520).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80587240 is a wasteful number, since it uses less digits than its factorization.

80587240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3093 (or 3089 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 34.

The square root of 80587240 is about 8977.0396011157. The cubic root of 80587240 is about 431.9386772810.

The spelling of 80587240 in words is "eighty million, five hundred eighty-seven thousand, two hundred forty".