677219850371 has 2 divisors, whose sum is σ = 677219850372. Its totient is φ = 677219850370.

The previous prime is 677219850331. The next prime is 677219850427. The reversal of 677219850371 is 173058912776.

It is a happy number.

It is an a-pointer prime, because the next prime (677219850427) can be obtained adding 677219850371 to its sum of digits (56).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 677219850371 - 2¹⁰ = 677219849347 is a prime.

It is not a weakly prime, because it can be changed into another prime (677219850331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338609925185 + 338609925186.

It is an arithmetic number, because the mean of its divisors is an integer number (338609925186).

Almost surely, 2^677219850371 is an apocalyptic number.

677219850371 is a deficient number, since it is larger than the sum of its proper divisors (1).

677219850371 is an equidigital number, since it uses as much as digits as its factorization.

677219850371 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4445280, while the sum is 56.

The spelling of 677219850371 in words is "six hundred seventy-seven billion, two hundred nineteen million, eight hundred fifty thousand, three hundred seventy-one".