80678876 has 6 divisors (see below), whose sum is σ = 141188040. Its totient is φ = 40339436.

The previous prime is 80678863. The next prime is 80678891. The reversal of 80678876 is 67887608.

It is a happy number.

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, 10084856 + ... + 10084863.

It is an arithmetic number, because the mean of its divisors is an integer number (23531340).

Almost surely, 2^80678876 is an apocalyptic number.

It is an amenable number.

80678876 is a deficient number, since it is larger than the sum of its proper divisors (60509164).

80678876 is a wasteful number, since it uses less digits than its factorization.

80678876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20169723 (or 20169721 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 50.

The square root of 80678876 is about 8982.1420607782. The cubic root of 80678876 is about 432.1023348670.

The spelling of 80678876 in words is "eighty million, six hundred seventy-eight thousand, eight hundred seventy-six".