80450953 has 12 divisors (see below), whose sum is σ = 93234672. Its totient is φ = 68832320.

The previous prime is 80450947. The next prime is 80450963. The reversal of 80450953 is 35905408.

It is not a de Polignac number, because 80450953 - 2⁹ = 80450441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (80450963) by changing a digit.

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 in 11 ways as a sum of consecutive naturals, for example, 9475 + ... + 15832.

It is an arithmetic number, because the mean of its divisors is an integer number (7769556).

Almost surely, 2^80450953 is an apocalyptic number.

It is an amenable number.

80450953 is a deficient number, since it is larger than the sum of its proper divisors (12783719).

80450953 is a wasteful number, since it uses less digits than its factorization.

80450953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25352 (or 25335 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 80450953 is about 8969.4455235538. The cubic root of 80450953 is about 431.6950454817.

The spelling of 80450953 in words is "eighty million, four hundred fifty thousand, nine hundred fifty-three".