80685532 has 6 divisors (see below), whose sum is σ = 141199688. Its totient is φ = 40342764.

The previous prime is 80685463. The next prime is 80685547. The reversal of 80685532 is 23558608.

It is a junction number, because it is equal to n+sod(n) for n = 80685491 and 80685500.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10085688 + ... + 10085695.

Almost surely, 2^80685532 is an apocalyptic number.

It is an amenable number.

80685532 is a deficient number, since it is larger than the sum of its proper divisors (60514156).

80685532 is a wasteful number, since it uses less digits than its factorization.

80685532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20171387 (or 20171385 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 37.

The square root of 80685532 is about 8982.5125660920. The cubic root of 80685532 is about 432.1142173415.

The spelling of 80685532 in words is "eighty million, six hundred eighty-five thousand, five hundred thirty-two".