677120665043 has 2 divisors, whose sum is σ = 677120665044. Its totient is φ = 677120665042.

The previous prime is 677120664991. The next prime is 677120665099. The reversal of 677120665043 is 340566021776.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 677120665043 - 2¹⁸ = 677120402899 is a prime.

It is not a weakly prime, because it can be changed into another prime (677120664043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338560332521 + 338560332522.

It is an arithmetic number, because the mean of its divisors is an integer number (338560332522).

Almost surely, 2^677120665043 is an apocalyptic number.

677120665043 is a deficient number, since it is larger than the sum of its proper divisors (1).

677120665043 is an equidigital number, since it uses as much as digits as its factorization.

677120665043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1270080, while the sum is 47.

The spelling of 677120665043 in words is "six hundred seventy-seven billion, one hundred twenty million, six hundred sixty-five thousand, forty-three".