80684331 has 24 divisors (see below), whose sum is σ = 134772624. Its totient is φ = 42557760.

The previous prime is 80684327. The next prime is 80684339. The reversal of 80684331 is 13348608.

It is not a de Polignac number, because 80684331 - 2² = 80684327 is a prime.

It is a super-2 number, since 2×80684331² = 13019922537835122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 80684292 and 80684301.

It is not an unprimeable number, because it can be changed into a prime (80684339) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19200 + ... + 23021.

It is an arithmetic number, because the mean of its divisors is an integer number (5615526).

Almost surely, 2^80684331 is an apocalyptic number.

80684331 is a deficient number, since it is larger than the sum of its proper divisors (54088293).

80684331 is a wasteful number, since it uses less digits than its factorization.

80684331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42251 (or 42244 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 80684331 is about 8982.4457137241. The cubic root of 80684331 is about 432.1120733315.

The spelling of 80684331 in words is "eighty million, six hundred eighty-four thousand, three hundred thirty-one".