80220786 has 32 divisors (see below), whose sum is σ = 166700160. Its totient is φ = 25705344.

The previous prime is 80220781. The next prime is 80220797. The reversal of 80220786 is 68702208.

It is a super-3 number, since 3×80220786³ (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (80220781) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44886 + ... + 46638.

It is an arithmetic number, because the mean of its divisors is an integer number (5209380).

Almost surely, 2^80220786 is an apocalyptic number.

80220786 is an abundant number, since it is smaller than the sum of its proper divisors (86479374).

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

80220786 is a wasteful number, since it uses less digits than its factorization.

80220786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2050.

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 80220786 is about 8956.6057186861. The cubic root of 80220786 is about 431.2829647559.

The spelling of 80220786 in words is "eighty million, two hundred twenty thousand, seven hundred eighty-six".