80686046 has 48 divisors (see below), whose sum is σ = 156978000. Its totient is φ = 30820608.

The previous prime is 80686037. The next prime is 80686049. The reversal of 80686046 is 64068608.

It is a super-2 number, since 2×80686046² = 13020476038228232, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80686049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30380 + ... + 32928.

It is an arithmetic number, because the mean of its divisors is an integer number (3270375).

Almost surely, 2^80686046 is an apocalyptic number.

80686046 is a deficient number, since it is larger than the sum of its proper divisors (76291954).

80686046 is a wasteful number, since it uses less digits than its factorization.

80686046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2601 (or 2594 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 80686046 is about 8982.5411771948. The cubic root of 80686046 is about 432.1151349213.

The spelling of 80686046 in words is "eighty million, six hundred eighty-six thousand, forty-six".