677305373 has 2 divisors, whose sum is σ = 677305374. Its totient is φ = 677305372.

The previous prime is 677305339. The next prime is 677305393. The reversal of 677305373 is 373503776.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 464057764 + 213247609 = 21542^2 + 14603^2 .

It is a cyclic number.

It is not a de Polignac number, because 677305373 - 2¹⁰ = 677304349 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 677305373.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (677305303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 338652686 + 338652687.

It is an arithmetic number, because the mean of its divisors is an integer number (338652687).

Almost surely, 2^677305373 is an apocalyptic number.

It is an amenable number.

677305373 is a deficient number, since it is larger than the sum of its proper divisors (1).

677305373 is an equidigital number, since it uses as much as digits as its factorization.

677305373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 277830, while the sum is 41.

The square root of 677305373 is about 26025.0912198209. The cubic root of 677305373 is about 878.2028461747.

The spelling of 677305373 in words is "six hundred seventy-seven million, three hundred five thousand, three hundred seventy-three".