80683690 has 32 divisors (see below), whose sum is σ = 155053440. Its totient is φ = 30139200.

The previous prime is 80683661. The next prime is 80683693. The reversal of 80683690 is 9638608.

It is a super-2 number, since 2×80683690² = 13019715664032200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (80683693) 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 15 ways as a sum of consecutive naturals, for example, 10500 + ... + 16480.

It is an arithmetic number, because the mean of its divisors is an integer number (4845420).

Almost surely, 2^80683690 is an apocalyptic number.

80683690 is a deficient number, since it is larger than the sum of its proper divisors (74369750).

80683690 is a wasteful number, since it uses less digits than its factorization.

80683690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6078.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 80683690 is about 8982.4100329477. The cubic root of 80683690 is about 432.1109290178.

The spelling of 80683690 in words is "eighty million, six hundred eighty-three thousand, six hundred ninety".