80687968 has 12 divisors (see below), whose sum is σ = 158854500. Its totient is φ = 40343968.

The previous prime is 80687953. The next prime is 80687969. The reversal of 80687968 is 86978608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80687969) 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 as a sum of consecutive naturals, namely, 1260718 + ... + 1260781.

It is an arithmetic number, because the mean of its divisors is an integer number (13237875).

Almost surely, 2^80687968 is an apocalyptic number.

It is an amenable number.

80687968 is a deficient number, since it is larger than the sum of its proper divisors (78166532).

80687968 is a wasteful number, since it uses less digits than its factorization.

80687968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2521509 (or 2521501 counting only the distinct ones).

The product of its (nonzero) digits is 1161216, while the sum is 52.

The square root of 80687968 is about 8982.6481618730. The cubic root of 80687968 is about 432.1185659924.

The spelling of 80687968 in words is "eighty million, six hundred eighty-seven thousand, nine hundred sixty-eight".