80366788 has 6 divisors (see below), whose sum is σ = 140641886. Its totient is φ = 40183392.

The previous prime is 80366777. The next prime is 80366809. The reversal of 80366788 is 88766308.

It can be written as a sum of positive squares in only one way, i.e., 80138304 + 228484 = 8952^2 + 478^2 .

It is a super-2 number, since 2×80366788² = 12917641226873888, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10045845 + ... + 10045852.

Almost surely, 2^80366788 is an apocalyptic number.

It is an amenable number.

80366788 is a deficient number, since it is larger than the sum of its proper divisors (60275098).

80366788 is a wasteful number, since it uses less digits than its factorization.

80366788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20091701 (or 20091699 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 46.

The square root of 80366788 is about 8964.7525342309. The cubic root of 80366788 is about 431.5444514869.

The spelling of 80366788 in words is "eighty million, three hundred sixty-six thousand, seven hundred eighty-eight".