677102201999 has 2 divisors, whose sum is σ = 677102202000. Its totient is φ = 677102201998.

The previous prime is 677102201899. The next prime is 677102202011. The reversal of 677102201999 is 999102201776.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 677102201999 - 2¹² = 677102197903 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 677102201999.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (677102201299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338551100999 + 338551101000.

It is an arithmetic number, because the mean of its divisors is an integer number (338551101000).

Almost surely, 2^677102201999 is an apocalyptic number.

677102201999 is a deficient number, since it is larger than the sum of its proper divisors (1).

677102201999 is an equidigital number, since it uses as much as digits as its factorization.

677102201999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 857304, while the sum is 53.

The spelling of 677102201999 in words is "six hundred seventy-seven billion, one hundred two million, two hundred one thousand, nine hundred ninety-nine".