677320456093 has 2 divisors, whose sum is σ = 677320456094. Its totient is φ = 677320456092.

The previous prime is 677320456069. The next prime is 677320456097. The reversal of 677320456093 is 390654023776.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 608396880004 + 68923576089 = 779998^2 + 262533^2 .

It is a cyclic number.

It is not a de Polignac number, because 677320456093 - 2¹³ = 677320447901 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 677320456093.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (677320456097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338660228046 + 338660228047.

It is an arithmetic number, because the mean of its divisors is an integer number (338660228047).

Almost surely, 2^677320456093 is an apocalyptic number.

It is an amenable number.

677320456093 is a deficient number, since it is larger than the sum of its proper divisors (1).

677320456093 is an equidigital number, since it uses as much as digits as its factorization.

677320456093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5715360, while the sum is 52.

The spelling of 677320456093 in words is "six hundred seventy-seven billion, three hundred twenty million, four hundred fifty-six thousand, ninety-three".