80769867 has 12 divisors (see below), whose sum is σ = 110263464. Its totient is φ = 52590720.

The previous prime is 80769851. The next prime is 80769881. The reversal of 80769867 is 76896708.

It is a happy number.

It is not a de Polignac number, because 80769867 - 2⁴ = 80769851 is a prime.

It is not an unprimeable number, because it can be changed into a prime (80769847) 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 11 ways as a sum of consecutive naturals, for example, 1734 + ... + 12827.

It is an arithmetic number, because the mean of its divisors is an integer number (9188622).

Almost surely, 2^80769867 is an apocalyptic number.

80769867 is a deficient number, since it is larger than the sum of its proper divisors (29493597).

80769867 is a wasteful number, since it uses less digits than its factorization.

80769867 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14650 (or 14607 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 51.

The square root of 80769867 is about 8987.2057392718. The cubic root of 80769867 is about 432.2647179418.

The spelling of 80769867 in words is "eighty million, seven hundred sixty-nine thousand, eight hundred sixty-seven".