377485346857 has 2 divisors, whose sum is σ = 377485346858. Its totient is φ = 377485346856.

The previous prime is 377485346837. The next prime is 377485346881. The reversal of 377485346857 is 758643584773.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 257758274601 + 119727072256 = 507699^2 + 346016^2 .

It is a cyclic number.

It is not a de Polignac number, because 377485346857 - 2⁷ = 377485346729 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 377485346792 and 377485346801.

It is not a weakly prime, because it can be changed into another prime (377485346807) 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 as a sum of consecutive naturals, namely, 188742673428 + 188742673429.

It is an arithmetic number, because the mean of its divisors is an integer number (188742673429).

Almost surely, 2^377485346857 is an apocalyptic number.

It is an amenable number.

377485346857 is a deficient number, since it is larger than the sum of its proper divisors (1).

377485346857 is an equidigital number, since it uses as much as digits as its factorization.

377485346857 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 474163200, while the sum is 67.

The spelling of 377485346857 in words is "three hundred seventy-seven billion, four hundred eighty-five million, three hundred forty-six thousand, eight hundred fifty-seven".