677120402899 has 2 divisors, whose sum is σ = 677120402900. Its totient is φ = 677120402898.

The previous prime is 677120402867. The next prime is 677120402989. The reversal of 677120402899 is 998204021776.

Together with next prime (677120402989) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 677120402899 - 2⁵ = 677120402867 is a prime.

It is not a weakly prime, because it can be changed into another prime (677120402599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338560201449 + 338560201450.

It is an arithmetic number, because the mean of its divisors is an integer number (338560201450).

Almost surely, 2^677120402899 is an apocalyptic number.

677120402899 is a deficient number, since it is larger than the sum of its proper divisors (1).

677120402899 is an equidigital number, since it uses as much as digits as its factorization.

677120402899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3048192, while the sum is 55.

The spelling of 677120402899 in words is "six hundred seventy-seven billion, one hundred twenty million, four hundred two thousand, eight hundred ninety-nine".