1677216856207 has 8 divisors (see below), whose sum is σ = 1853088700896. Its totient is φ = 1509924125952.

The previous prime is 1677216856193. The next prime is 1677216856219. The reversal of 1677216856207 is 7026586127761.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1677216856207 - 2²⁷ = 1677082638479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1677216851207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2144778198 + ... + 2144778979.

It is an arithmetic number, because the mean of its divisors is an integer number (231636087612).

Almost surely, 2^{1677216856207} is an apocalyptic number.

1677216856207 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

1677216856207 is a deficient number, since it is larger than the sum of its proper divisors (175871844689).

1677216856207 is a wasteful number, since it uses less digits than its factorization.

1677216856207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4289557217.

The product of its (nonzero) digits is 11854080, while the sum is 58.

The spelling of 1677216856207 in words is "one trillion, six hundred seventy-seven billion, two hundred sixteen million, eight hundred fifty-six thousand, two hundred seven".