80420568 has 16 divisors (see below), whose sum is σ = 201051480. Its totient is φ = 26806848.

The previous prime is 80420563. The next prime is 80420629. The reversal of 80420568 is 86502408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80420563) 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, 1675405 + ... + 1675452.

Almost surely, 2^80420568 is an apocalyptic number.

It is an amenable number.

80420568 is an abundant number, since it is smaller than the sum of its proper divisors (120630912).

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

80420568 is a wasteful number, since it uses less digits than its factorization.

80420568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3350866 (or 3350862 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 80420568 is about 8967.7515576648. The cubic root of 80420568 is about 431.6406906018.

The spelling of 80420568 in words is "eighty million, four hundred twenty thousand, five hundred sixty-eight".