667231077043 has 2 divisors, whose sum is σ = 667231077044. Its totient is φ = 667231077042.

The previous prime is 667231076903. The next prime is 667231077083. The reversal of 667231077043 is 340770132766.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 667231077043 - 2²⁵ = 667197522611 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 667231076984 and 667231077002.

It is not a weakly prime, because it can be changed into another prime (667231077083) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 333615538521 + 333615538522.

It is an arithmetic number, because the mean of its divisors is an integer number (333615538522).

Almost surely, 2^667231077043 is an apocalyptic number.

667231077043 is a deficient number, since it is larger than the sum of its proper divisors (1).

667231077043 is an equidigital number, since it uses as much as digits as its factorization.

667231077043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 889056, while the sum is 46.

The spelling of 667231077043 in words is "six hundred sixty-seven billion, two hundred thirty-one million, seventy-seven thousand, forty-three".