80503218 has 24 divisors (see below), whose sum is σ = 180051456. Its totient is φ = 25968600.

The previous prime is 80503207. The next prime is 80503219. The reversal of 80503218 is 81230508.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 80503191 and 80503200.

It is not an unprimeable number, because it can be changed into a prime (80503219) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71578 + ... + 72693.

It is an arithmetic number, because the mean of its divisors is an integer number (7502144).

Almost surely, 2^80503218 is an apocalyptic number.

80503218 is an abundant number, since it is smaller than the sum of its proper divisors (99548238).

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

80503218 is a wasteful number, since it uses less digits than its factorization.

80503218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144310 (or 144307 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 27.

The square root of 80503218 is about 8972.3585527998. The cubic root of 80503218 is about 431.7885088758.

The spelling of 80503218 in words is "eighty million, five hundred three thousand, two hundred eighteen".