80561424 has 20 divisors (see below), whose sum is σ = 208117136. Its totient is φ = 26853792.

The previous prime is 80561417. The next prime is 80561461. The reversal of 80561424 is 42416508.

It is a junction number, because it is equal to n+sod(n) for n = 80561391 and 80561400.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 839134 + ... + 839229.

Almost surely, 2^80561424 is an apocalyptic number.

It is an amenable number.

80561424 is an abundant number, since it is smaller than the sum of its proper divisors (127555712).

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

80561424 is a wasteful number, since it uses less digits than its factorization.

80561424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1678374 (or 1678368 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 80561424 is about 8975.6015954364. The cubic root of 80561424 is about 431.8925487217.

The spelling of 80561424 in words is "eighty million, five hundred sixty-one thousand, four hundred twenty-four".