80406768 has 40 divisors (see below), whose sum is σ = 223697488. Its totient is φ = 24740352.

The previous prime is 80406757. The next prime is 80406769. The reversal of 80406768 is 86760408.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80406769) 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 7 ways as a sum of consecutive naturals, for example, 63805 + ... + 65052.

Almost surely, 2^80406768 is an apocalyptic number.

It is an amenable number.

80406768 is an abundant number, since it is smaller than the sum of its proper divisors (143290720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

80406768 is a wasteful number, since it uses less digits than its factorization.

80406768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128881 (or 128875 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 39.

The square root of 80406768 is about 8966.9821010193. The cubic root of 80406768 is about 431.6159996451.

The spelling of 80406768 in words is "eighty million, four hundred six thousand, seven hundred sixty-eight".