80452780 has 24 divisors (see below), whose sum is σ = 169202880. Its totient is φ = 32133120.

The previous prime is 80452777. The next prime is 80452807. The reversal of 80452780 is 8725408.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12765 + ... + 17995.

It is an arithmetic number, because the mean of its divisors is an integer number (7050120).

Almost surely, 2^80452780 is an apocalyptic number.

It is an amenable number.

80452780 is an abundant number, since it is smaller than the sum of its proper divisors (88750100).

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

80452780 is a wasteful number, since it uses less digits than its factorization.

80452780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6009 (or 6007 counting only the distinct ones).

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

The square root of 80452780 is about 8969.5473687361. The cubic root of 80452780 is about 431.6983133148.

The spelling of 80452780 in words is "eighty million, four hundred fifty-two thousand, seven hundred eighty".