80783067897 has 12 divisors (see below), whose sum is σ = 133356175680. Its totient is φ = 46161753048.

The previous prime is 80783067881. The next prime is 80783067931. The reversal of 80783067897 is 79876038708.

It is not a de Polignac number, because 80783067897 - 2⁴ = 80783067881 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (63), and also a Moran number because the ratio is a prime number: 1282270919 = 80783067897 / (8 + 0 + 7 + 8 + 3 + 0 + 6 + 7 + 8 + 9 + 7).

It is not an unprimeable number, because it can be changed into a prime (80783017897) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 641135397 + ... + 641135522.

It is an arithmetic number, because the mean of its divisors is an integer number (11113014640).

Almost surely, 2^80783067897 is an apocalyptic number.

It is an amenable number.

80783067897 is a deficient number, since it is larger than the sum of its proper divisors (52573107783).

80783067897 is a wasteful number, since it uses less digits than its factorization.

80783067897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1282270932 (or 1282270929 counting only the distinct ones).

The product of its (nonzero) digits is 28449792, while the sum is 63.

The spelling of 80783067897 in words is "eighty billion, seven hundred eighty-three million, sixty-seven thousand, eight hundred ninety-seven".