80450973 has 6 divisors (see below), whose sum is σ = 116206974. Its totient is φ = 53633976.

The previous prime is 80450963. The next prime is 80450977. The reversal of 80450973 is 37905408.

80450973 is a `hidden beast` number, since 80 + 4 + 509 + 73 = 666.

It can be written as a sum of positive squares in only one way, i.e., 80245764 + 205209 = 8958^2 + 453^2 .

It is not a de Polignac number, because 80450973 - 2⁸ = 80450717 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80450977) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4469490 + ... + 4469507.

It is an arithmetic number, because the mean of its divisors is an integer number (19367829).

Almost surely, 2^80450973 is an apocalyptic number.

It is an amenable number.

80450973 is a deficient number, since it is larger than the sum of its proper divisors (35756001).

80450973 is a wasteful number, since it uses less digits than its factorization.

80450973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8939003 (or 8939000 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 80450973 is about 8969.4466384499. The cubic root of 80450973 is about 431.6950812546.

The spelling of 80450973 in words is "eighty million, four hundred fifty thousand, nine hundred seventy-three".