80783067931 has 2 divisors, whose sum is σ = 80783067932. Its totient is φ = 80783067930.

The previous prime is 80783067881. The next prime is 80783067973. The reversal of 80783067931 is 13976038708.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80783067931 - 2⁹ = 80783067419 is a prime.

It is a super-2 number, since 2×80783067931² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (80783067331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40391533965 + 40391533966.

It is an arithmetic number, because the mean of its divisors is an integer number (40391533966).

Almost surely, 2^80783067931 is an apocalyptic number.

80783067931 is a deficient number, since it is larger than the sum of its proper divisors (1).

80783067931 is an equidigital number, since it uses as much as digits as its factorization.

80783067931 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1524096, while the sum is 52.

The spelling of 80783067931 in words is "eighty billion, seven hundred eighty-three million, sixty-seven thousand, nine hundred thirty-one".