80690216 has 16 divisors (see below), whose sum is σ = 152224800. Its totient is φ = 40096944.

The previous prime is 80690191. The next prime is 80690219. The reversal of 80690216 is 61209608.

It is not an unprimeable number, because it can be changed into a prime (80690219) 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 3 ways as a sum of consecutive naturals, for example, 29636 + ... + 32243.

It is an arithmetic number, because the mean of its divisors is an integer number (9514050).

Almost surely, 2^80690216 is an apocalyptic number.

It is an amenable number.

80690216 is a deficient number, since it is larger than the sum of its proper divisors (71534584).

80690216 is a wasteful number, since it uses less digits than its factorization.

80690216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62048 (or 62044 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 80690216 is about 8982.7732911390. The cubic root of 80690216 is about 432.1225789555.

The spelling of 80690216 in words is "eighty million, six hundred ninety thousand, two hundred sixteen".