80450956 has 6 divisors (see below), whose sum is σ = 140789180. Its totient is φ = 40225476.

The previous prime is 80450947. The next prime is 80450963. The reversal of 80450956 is 65905408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10056366 + ... + 10056373.

Almost surely, 2^80450956 is an apocalyptic number.

It is an amenable number.

80450956 is a deficient number, since it is larger than the sum of its proper divisors (60338224).

80450956 is a wasteful number, since it uses less digits than its factorization.

80450956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20112743 (or 20112741 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 80450956 is about 8969.4456907883. The cubic root of 80450956 is about 431.6950508476.

It can be divided in two parts, 80450 and 956, that added together give a triangular number (81406 = T₄₀₃).

The spelling of 80450956 in words is "eighty million, four hundred fifty thousand, nine hundred fifty-six".